Niels Erik Skakkebæk
Affiliate Professor
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Levels of persistent organic pollutants in breast milk samples representing Finnish and Danish boys with and without hypospadias
Tysman, M., Toppari, J., Main, Katharina Maria, Adamsson, A., Wohlfahrt-Veje, C., Antignac, J., Le Bizec, B., Löyttyniemi, E., Skakkebæk, Niels Erik & Virtanen, H. E., 2023, In: Chemosphere. 313, 8 p., 137343.Research output: Contribution to journal › Journal article › Research › peer-review
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Leydig cell clustering and Reinke crystal distribution in relation to hormonal function in adult patients with testicular dysgenesis syndrome (TDS) including cryptorchidism
Soerensen, R. R., Johannsen, T. H., Skakkebæk, Niels Erik & Rajpert-De Meyts, E., Oct 2016, In: Hormones. 15, 4, p. 518-526 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Leydig cell micronodules are a common finding in testicular biopsies from men with impaired spermatogenesis and are associated with decreased testosterone/LH ratio
Holm, M., Rajpert-De Meyts, E., Andersson, A. & Skakkebæk, Niels Erik, 1 Mar 2003, In: Journal of Pathology. 199, 3, p. 378-86 9 p.Research output: Contribution to journal › Journal article › Research
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Longitudinal study of serum placental GH in 455 normal pregnancies: correlation to gestational age, fetal gender, and weight
Chellakooty, M., Skibsted, L., Skouby, Sven O., Andersson, A., Petersen, J. H., Main, Katharina Maria, Skakkebæk, Niels Erik & Juul, Anders, 2002, In: Journal of Clinical Endocrinology and Metabolism. 87, 6, p. 2734-9 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Low Testosterone: A Risk Marker Rather Than a Risk Factor for Type 2 Diabetes
Holmboe, S. A., Jensen, T. K., Linneberg, Allan René, Scheike, Thomas, Thuesen, B. H., Skakkebæk, Niels Erik, Juul, Anders & Andersson, A. M., Aug 2016, In: The Journal of Clinical Endocrinology & Metabolism. 101, 8, p. 3180-3190 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Low concentration of circulating antimüllerian hormone is not predictive of reduced fecundability in young healthy women: a prospective cohort study
Hagen, C. P., Vestergaard, S., Juul, Anders, Skakkebæk, Niels Erik, Andersson, A., Main, Katharina Maria, Hjøllund, N. H., Ernst, E., Bonde, Jens Peter, Anderson, R. A. & Jensen, T. K., 2012, In: Fertility and Sterility. 98, 6, p. 1602-8.e2Research output: Contribution to journal › Journal article › Research › peer-review
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Low semen volume in 47 adolescents and adults with 47,XXY Klinefelter or 46,XX male syndrome
Aksglaede, L., Jørgensen, N., Skakkebæk, Niels Erik & Juul, Anders, 2008, In: International Journal of Andrology. 32, 4, p. 376-84 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Lower birth weight and increased body fat at school age in children prenatally exposed to modern pesticides: a prospective study
Wohlfahrt-Veje, C., Main, Katharina Maria, Schmidt, I. M., Boas, M., Jensen, T. K., Grandjean, P., Skakkebæk, Niels Erik & Andersen, H. R., 1 Jan 2011, In: Environmental Health. 10, p. 79Research output: Contribution to journal › Journal article › Research › peer-review
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Male Reproductive Disorders and Fertility Trends: Influences of Environment and Genetic Susceptibility
Skakkebæk, Niels Erik, Rajpert-De Meyts, E., Buck Louis, G. M., Toppari, J., Andersson, A., Eisenberg, M. L., Jensen, T. K., Jørgensen, N., Swan, S. H., Sapra, K. J., Ziebe, S., Priskorn, L. & Juul, Anders, Jan 2016, In: Physiological Reviews. 96, 1, p. 55-97 43 p.Research output: Contribution to journal › Review › Research › peer-review
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Male reproductive disorders, diseases, and costs of exposure to endocrine-disrupting chemicals in the European Union
Hauser, R., Skakkebæk, Niels Erik, Hass, U., Toppari, J., Juul, Anders, Andersson, A. M., Kortenkamp, A., Heindel, J. J. & Trasande, L., Apr 2015, In: Journal of Clinical Endocrinology and Metabolism. 100, 4, p. 1267-77 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Male reproductive health and environmental xenoestrogens
Toppari, J., Larsen, J. C., Christiansen, P., Giwercman, A., Grandjean, P., Guillette, L. J., Jégou, B., Jensen, T. K., Jouannet, P., Keiding, N., Leffers, H., McLachlan, J. A., Meyer, O., Müller, J., Rajpert-De Meyts, E., Scheike, T., Sharpe, R., Sumpter, J. & Skakkebæk, Niels Erik, 1 Aug 1996, In: Environmental Health Perspectives. 104 Suppl 4, p. 741-803 63 p.Research output: Contribution to journal › Journal article › Research
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Many putative endocrine disruptors inhibit prostaglandin synthesis
Kristensen, D. M., Skalkam, M. L., Audouze, K. M. L., Lesné, L., Desdoits-Lethimonier, C., Frederiksen, H., Brunak, Søren, Skakkebæk, Niels Erik, Jégou, B., Hansen, Jacob B., Junker, S. & Leffers, H., 1 Apr 2011, In: Environmental Health Perspectives. 119, 4, p. 534-41 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Massive weight loss restores 24-hour growth hormone release profiles and serum insulin-like growth factor-I levels in obese subjects
Rasmussen, M. H., Hvidberg, A., Juul, Anders, Main, Katharina Maria, Gotfredsen, A., Skakkebæk, Niels Erik, Hilsted, J. & Skakkebae, N. E., 1995, In: Journal of Clinical Endocrinology and Metabolism. 80, 4, p. 1407-15 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Maternal exposure to UV filters: Associations with maternal thyroid hormones, IGF-I/IGFBP3 and birth outcomes
Krause, M., Frederiksen, H., Sundberg, K., Jørgensen, Finn Stener, Jensen, L. N., Nørgaard, P., Jørgensen, C., Ertberg, P., Petersen, Jørgen Holm, Feldt-Rasmussen, Ulla, Juul, Anders, Drzewiecki, K. T., Skakkebæk, Niels Erik & Andersson, A. M., 1 Feb 2018, In: Endocrine Connections. 7, 2, p. 334-346 13 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Maternal phthalate exposure during pregnancy and testis function of young adult sons
Henriksen, L. S., Frederiksen, H., Jørgensen, N., Juul, Anders, Skakkebæk, Niels Erik, Toppari, J., Petersen, Jørgen Holm & Main, Katharina Maria, 2023, In: Science of the Total Environment. 871, 12 p., 161914.Research output: Contribution to journal › Journal article › Research › peer-review
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Maternal use of mild analgesics during pregnancy associated with reduced anogenital distance in sons: a cohort study of 1027 mother-child pairs
Lind, D. V., Main, Katharina Maria, Kyhl, H. B., Kristensen, D. M., Toppari, J., Andersen, H. R., Skovsager Andersen, M., Skakkebæk, Niels Erik & Jensen, T. K., 2017, In: Human Reproduction. 32, 1, p. 223-231 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Medium-throughput Screening Assays for Assessment of Effects on Ca2+-Signaling and Acrosome Reaction in Human Sperm
Rehfeld, Anders Aagaard, Palme, D. L. E., Almstrup, Kristian, Juul, Anders & Skakkebæk, Niels Erik, 2019, In: Journal of Visualized Experiments. 145, p. e59212Research output: Contribution to journal › Journal article › Research › peer-review
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Medium-throughput Screening Assays for Assessment of Effects on Ca2+-Signaling and Acrosome Reaction in Human Sperm
Rehfeld, A., Egeberg Palme, D. L., Almstrup, K., Juul, Anders & Skakkebæk, Niels Erik, 1 Mar 2019, In: Journal of visualized experiments : JoVE. 145, 9 p., e59212.Research output: Contribution to journal › Journal article › Research › peer-review
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Mere Testikelkræft og dårlig sædkvalitet
Skakkebæk, Niels Erik, 2008, In: Tidsskrift for Den norske lægeforening. 128, p. 554-554Research output: Contribution to journal › Journal article › Research › peer-review
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Metabolic effects of GH: a rationale for continued GH treatment of GH-deficient adults after cessation of linear growth.
Juul, Anders, Jørgensen, J., Christiansen, J., Müller, J. & Skakkebæk, Niels Erik, 1995, In: Hormone Research. p. 64-72 8 p.Research output: Contribution to journal › Review › Research
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Metabolic effects of long-term GH deficiency and GH replacement
Christiansen, J., Jørgensen, J., Müller, J. & Skakkebæk, Niels Erik, 2013, Clinical Issues in growth disorders: Evaluation, diagnosis and therapy. Publishing House, Ltd., Europe, p. 163-170 7 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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Metabolism of phthalates in humans
Frederiksen, H., Skakkebæk, Niels Erik & Andersson, A., 1 Jul 2007, In: Molecular Nutrition & Food Research. 51, 7, p. 899-911 13 p.Research output: Contribution to journal › Journal article › Research
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Natural history of seminiferous tubule degeneration in Klinefelter syndrome
Aksglaede, L., Wikström, A. M., Rajpert-De Meyts, E., Dunkel, L., Skakkebæk, Niels Erik & Juul, Anders, 2006, In: Human Reproduction Update. 12, 1, p. 39-48 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Nedsatte serum koncentrationer af insulin-like growth factor hos patienter med cystisk fibrose
Mosfeldt-Laursen, E., Juul, Anders, Lanng, S., Højby, N., Koch, C., Müller, J. & Skakkebæk, Niels Erik, 1996, In: Ugeskrift for Laeger. 158, 38, p. 5300-5302 2 p.Research output: Contribution to journal › Journal article › Research
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Nervous system drugs taken by future fathers and birth defects in offspring: a prospective registry-based cohort study
Wensink, M., Lu, Y., Tian, L., Jensen, T. K., Skakkebæk, Niels Erik, Lindahl-Jacobsen, R. & Eisenberg, M., 2022, In: BMJ Open. 12, 3, 8 p., e053946.Research output: Contribution to journal › Journal article › Research › peer-review
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Nodal Signaling Regulates Germ Cell Development and Establishment of Seminiferous Cords in the Human Fetal Testis
Jørgensen, A., Macdonald, J., Nielsen, J. E., Kilcoyne, K. R., Perlman, S., Lundvall, L., Langhoff Thuesen, L., Hare, Kristine Juul, Frederiksen, H., Andersson, A., Skakkebæk, Niels Erik, Juul, Anders, Sharpe, R. M., Rajpert-De Meyts, E. & Mitchell, R. T., 13 Nov 2018, In: Cell Reports. 25, 7, p. 1924-1937.e4Research output: Contribution to journal › Journal article › Research › peer-review
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Normal reference ranges for semen quality and their relations to fecundity
Skakkebæk, Niels Erik, 1 Jan 2010, In: Asian Journal of Andrology. 12, 1, p. 95-8 4 p.Research output: Contribution to journal › Journal article › Research › peer-review
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OCT4 and downstream factors are expressed in human somatic urogenital epithelia and in culture of epididymal spheres
Kristensen, D. M., Nielsen, J. E., Kalisz, M., Dalgaard, M. D., Audouze, K., Larsen, M. E., Jacobsen, G. K., Horn, T., Brunak, S., Skakkebaek, N. E., Leffers, H., Kristensen, D. M., Nielsen, J. E., Kalisz, M., Dalgaard, M. D., Audouze, K. M. L., Larsen, M. E., Jacobsen, G. K., Horn, T., Brunak, S. & 2 others, , 1 Nov 2010, In: Molecular Human Reproduction. 16, 11, p. 835-45 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Onset of the release of spermatozia (supermarche) in boys in relation to age, testicular growth, pubic hair, and height
Nielsen, C. T., Skakkebæk, Niels Erik, Richardson, D. W., Darling, J. A. B., Hunter, W. M., Jørgensen, M., Nielsen, A., Ingerslev, O., Keiding, N. & Müller, J., 1 Mar 1986, In: Journal of Clinical Endocrinology and Metabolism. 62, 3, p. 532-535 4 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Optimised detection of germ cell neoplasia in situ in contralateral biopsy reduces the risk of second testis cancer
Rajpert-De Meyts, E., Jørgensen, N., Petersen, Jørgen Holm, Almstrup, Kristian, Aksglaede, L., Lauritsen, J., Rørth, M., Daugaard, G. & Skakkebæk, Niels Erik, 2022, In: BJU International. 130, 5, p. 646-654 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Origin of pluripotent germ cell tumours: the role of microenvironment during embryonic development
Kristensen, D. M., Sonne, Si Brask, Ottesen, A. M., Perrett, R. M., Nielsen, J. E., Almstrup, Kristian, Skakkebæk, Niels Erik, Leffers, H. & Meyts, E. R., 2008, In: Molecular and Cellular Endocrinology. 288, 1-2, p. 111-8 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Origin of testicular germ cell neoplasia: The role of sex chromosomes
Rajpert-De Meyts, E., Ottesen, A. M., Høi-Hansen, Christina Engel, Sonne, Si Brask, Leffers, H. & Skakkebæk, Niels Erik, 1 Jan 2007, The Y Chromosome and Male Germ Cell Biology in Health and Diseases. World Scientific Publishing Co., p. 289-308 20 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
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PFOS (perfluorooctanesulfonate) in serum is negatively associated with testosterone levels, but not with semen quality, in healthy men
Joensen, Ulla Nordström, Veyrand, B., Antignac, J. P., Jensen, Martin Blomberg, Petersen, Jørgen Holm, Marchand, P., Skakkebæk, Niels Erik, Andersson, A. M., Le Bizec, B. & Jørgensen, N., Mar 2013, In: Human Reproduction. 28, 3, p. 599-608 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Paracetamol Use During Pregnancy - A Call for Precautionary Action
Bauer, A. Z., Swan, S. H., Kriebel, D., Liew, Z., Taylor, H. S., Bornehag, C., Andrade, A. M., Olsen, J., Jensen, Rigmor Højland, Mitchell, R. T., Skakkebæk, Niels Erik, Jégou, B. & Kristensen, D. M., 2022, In: Obstetrical and Gynecological Survey. 77, 3, p. 133-134 2 p.Research output: Contribution to journal › Review › Research › peer-review
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Paracetamol use during pregnancy — a call for precautionary action
Bauer, A. Z., Swan, S. H., Kriebel, D., Liew, Z., Taylor, H. S., Bornehag, C., Andrade, A. M., Olsen, J., Jensen, Rigmor Højland, Mitchell, R. T., Skakkebæk, Niels Erik, Jégou, B. & Kristensen, D. M., 2021, In: Nature Reviews Endocrinology. 17, p. 757–766 10 p.Research output: Contribution to journal › Review › Research › peer-review
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Paraoxonase 1 polymorphism and prenatal pesticide exposure associated with adverse cardiovascular risk profiles at school age
Andersen, H. R., Veje, C. W., Dalgård, C., Christiansen, L. T., Main, Katharina Maria, Nellemann, C. L., Murata, K., Jensen, T. K., Skakkebæk, Niels Erik & Grandjean, P., 2012, In: P L o S One. 7, 5, p. e36830Research output: Contribution to journal › Journal article › Research › peer-review
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Parental Occupational Exposure to Heavy Metals and Welding Fumes and Risk of Testicular Germ Cell Tumors in Offspring: A Registry-Based Case-Control Study
Togawa, K., Le Cornet, C., Feychting, M., Tynes, T., Pukkala, E., Hansen, J., Olsson, A., Dalton, S. O., Nordby, K., Uuksulainen, S., Wiebert, P., Woldbæk, T., Skakkebæk, Niels Erik, Fervers, B. & Schüz, J., Oct 2016, In: Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology. 25, 10, p. 1426-1434 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Parental occupational exposure to solvents and heavy metals and risk of developing testicular germ cell tumors in sons (NORD-TEST Denmark)
Olsson, A., Togawa, K., Schüz, J., Le Cornet, C., Fervers, B., Oksbjerg Dalton, S., Pukkala, E., Maria Feychting, M. F., Skakkebæk, Niels Erik & Hansen, J., 2018, In: Scandinavian Journal of Work, Environment & Health. 44, 6, p. 658-669Research output: Contribution to journal › Journal article › Research › peer-review
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Parental occupational exposures in wood-related jobs and risk of testicular germ cell tumours in offspring in NORD-TEST a registry-based case–control study in Finland, Norway, and Sweden
Corbin, S., Togawa, K., Schüz, J., Le Cornet, C., Fervers, B., Feychting, M., Wiebert, P., Hansen, J., Dalton, Susanne Oksbjerg, Kjærheim, K., Nordby, K. C., Østrem, R. S., Skakkebæk, Niels Erik, Uuksulainen, S., Pukkala, E. & Olsson, A., 2022, In: International Archives of Occupational and Environmental Health. 95, p. 1243–1253Research output: Contribution to journal › Journal article › Research › peer-review
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Pathogenesis of germ cell neoplasia in testicular dysgenesis and disorders of sex development
Jørgensen, A., Lindhardt Johansen, M., Juul, Anders, Skakkebæk, Niels Erik, Main, Katharina Maria & Rajpert-De Meyts, E., Sep 2015, In: Seminars in Cell and Developmental Biology. 45, p. 124-37 14 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Pathogenesis of testicular carcinoma in situ and germ cell cancer: still more questions than answers
Rajpert-De Meyts, E. & Skakkebæk, Niels Erik, 1 Aug 2011, In: International Journal of Andrology. 34, 4 Pt 2, p. e2-6Research output: Contribution to journal › Journal article › Research › peer-review
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Perinatal origin of testicular germ cell cancer: Possible involvement of developmental reprogramming
Almstrup, H. K., Rajpert-De Meyts, E. & Skakkebæk, Niels Erik, 2012, Perinatal Programming: The State of the Art. Plagemann, A. (ed.). De Gruyter, p. 219-228 9 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
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Perinatal origin of testicular germ cell cancer: Possible involvement of developmental reprogramming
Almstrup, Kristian, Meyts, E. R. D. & Skakkebæk, Niels Erik, 30 Nov 2011, Perinatal Programming: The State of the Art. Walter de Gruyter GmbH and Co. KG, p. 219-228 10 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
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Personal Care Product Use in Men and Urinary Concentrations of Select Phthalate Metabolites and Parabens: Results from the Environment And Reproductive Health (EARTH) Study
Nassan, F. L., Coull, B. A., Gaskins, A. J., Williams, M. A., Skakkebæk, Niels Erik, Ford, J. B., Ye, X., Calafat, A. M., Braun, J. M. & Hauser, R., 2017, In: Environmental Health Perspectives. 125, 8, 11 p., 087012.Research output: Contribution to journal › Journal article › Research › peer-review
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Pilocarpine iontophoresis test: an index of physiological sweat secretion?
Hjortskov, N., Jepsen, L., Nielsen, B., Juul, Anders & Skakkebæk, Niels Erik, 1995, In: Clinical physiology (Oxford, England). 15, 4, p. 409-14 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Pituitary–gonadal hormones associated with respiratory failure in men and women hospitalized with COVID-19: an observational cohort study
Clausen, C. L., Johannsen, T. H., Skakkebæk, Niels Erik, Frederiksen, H., Ryrsø, C. K., Dungu, A. M., Hegelund, M. H., Faurholt-Jepsen, D., Krogh-Madsen, Rikke, Lindegaard, Birgitte, Linneberg, Allan René, Kårhus, L. L., Juul, Anders & Benfield, Thomas, 2023, In: Endocrine Connections. 12, 1, e220444.Research output: Contribution to journal › Journal article › Research › peer-review
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Plasma leptin levels in healthy children and adolescents: dependence on body mass index, body fat mass, gender, pubertal stage, and testosterone
Blum, W. F., Englaro, P., Hanitsch, S., Juul, Anders, Hertel, N., Müller, J., Skakkebæk, Niels Erik, Heiman, M. L., Birkett, M., Attanasio, A. M., Kiess, W. & Rascher, W., 1997, In: Journal of Clinical Endocrinology and Metabolism. 82, 9, p. 2904-10 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Polychlorinated dibenzo-p-dioxins, furans, and biphenyls (PCDDs/PCDFs and PCBs) in breast milk and early childhood growth and IGF1
Wohlfahrt-Veje, C., Audouze, K., Brunak, Søren, Antignac, J. P., le Bizec, B., Juul, Anders, Skakkebæk, Niels Erik & Main, Katharina Maria, 2014, In: Reproduction. 147, 4, p. 391-399 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Poor semen quality may contribute to recent decline in fertility rates
Jensen, T. K., Carlsen, E., Jørgensen, N., Berthelsen, J. G., Keiding, N., Christensen, K., Petersen, Jørgen Holm, Knudsen, L. B. & Skakkebæk, Niels Erik, 2002, In: Human Reproduction. 17, 6, p. 1437-40 3 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Populations, decreasing fertility, and reproductive health
Skakkebæk, Niels Erik, Jørgensen, N., Andersson, A., Juul, Anders, Main, Katharina Maria, Jensen, T. K. & Toppari, J., 13 Apr 2019, In: Lancet Oncology. 393, 10180, p. 1500-1501 2 p.Research output: Contribution to journal › Comment/debate › Research › peer-review
ID: 35319116
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EDC IMPACT: Chemical UV filters can affect human sperm function in a progesterone-like manner
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Prenatal exposure to antifungal medication may change anogenital distance in male offspring: a preliminary study
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Variations in repeated serum concentrations of UV filters, phthalates, phenols and parabens during pregnancy
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