Niels Erik Skakkebæk
Affiliate Professor
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Growth hormone treatment of non-elderly adults with GH-deficiency
Christiansen, J., Jørgensen, J., Vahn, N., Juul, Anders, Müller, J. & Skakkebæk, Niels Erik, 1995, GHRH, GH and IGF-1: Basic and clinical Advances. p. 169-175 6 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
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Growth hormone, insulin-like growth factor I and its binding proteins 1 and 3 in last trimester intrauterine growth retardation with increased pulsatility index in the umbilical artery
Larsen, T., Main, Katharina Maria, Andersson, A. M., Juul, Anders, Greisen, Gorm & Skakkebæk, Niels Erik, 1996, In: Clinical Endocrinology. 45, 3, p. 315-9 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Habitual alcohol consumption associated with reduced semen quality and changes in reproductive hormones; a cross-sectional study among 1221 young Danish men
Jensen, T. K., Gottschau, M., Madsen, J. O. B., Andersson, A., Lassen, T. H., Skakkebæk, Niels Erik, Swan, S. H., Priskorn, L., Juul, Anders & Jørgensen, N., 2014, In: B M J Open. 4, 9, p. 1-11 11 p., e005462.Research output: Contribution to journal › Journal article › Research › peer-review
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Heterozygous deletion at the RLN1 locus in a family with testicular germ cell cancer identified by integrating copy number variation data with phenome and interactome information
Edsgärd, D., Scheel, M., Hansen, N. T., Ralfkiaer, U., Jensen, T. S., Skakkebæk, Niels Erik, Brunak, S., Gupta, R., Rajpert-De Meyts, E. & Ottesen, A. M., 1 Aug 2011, In: International Journal of Andrology. 34, 4 Pt 2, p. e122-32Research output: Contribution to journal › Journal article › Research › peer-review
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High maternal age at first and subsequent child births in Denmark in the mid-1800s-Letter to the editor
Priskorn, L., Dahl, C. L., Pihl, A. S., Skakkebæk, Niels Erik & Juul, Anders, Oct 2019, In: European Journal of Obstetrics & Gynecology and Reproductive Biology. 241, p. 137-138 2 p.Research output: Contribution to journal › Comment/debate › Research › peer-review
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High normal testosterone levels in infants with non-mosaic Klinefelter's syndrome
Aksglaede, L., Petersen, Jørgen Holm, Main, Katharina Maria, Skakkebæk, Niels Erik & Juul, Anders, 2007, In: European Journal of Endocrinology. 157, 3, p. 345-50 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Histological evidence of testicular dysgenesis in contralateral biopsies from 218 patients with testicular germ cell cancer
Hoei-Hansen, C. E., Holm, M., Rajpert-De Meyts, E. & Skakkebæk, Niels Erik, 1 Jul 2003, In: Journal of Pathology. 200, 3, p. 370-4 5 p.Research output: Contribution to journal › Journal article › Research
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Histopathological Evaluation of Testicular Biopsy
Rajpert-de Meyts, E., Grigor, K. M. & Skakkebæk, Niels Erik, 2017, Endocrinology of the Testis and Male Reproduction. SimoniIlpo, M. & Huhtaniemi, I. (eds.). p. 1-20 (Endocrinology of the Testis and Male Reproduction).Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
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Hormonal changes during GnRH analogue therapy in children with central precocious puberty
Müller, J., Juul, Anders, Andersson, A. M., Sehested, A. & Skakkebæk, Niels Erik, 2000, In: Journal of Pediatric Endocrinology and Metabolism. 13 Suppl 1, p. 739-46 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Human breast milk contamination with phthalates and alterations of endogenous reproductive hormones in infants three months of age
Main, Katharina Maria, Mortensen, G. K., Kaleva, M. M., Boisen, K. A., Damgaard, I. N., Chellakooty, M., Schmidt, I. M., Suomi, A., Virtanen, H. E., Petersen, J. H., Andersson, A., Toppari, J. & Skakkebæk, Niels Erik, 2006, In: Environmental Health Perspectives. 114, 2, p. 270-276 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Human semen quality in the new millennium: a prospective cross-sectional population-based study of 4867 men
Jørgensen, N., Joensen, Ulla Nordström, Jensen, T., Jensen, M., Almstrup, Kristian, Olesen, I., Juul, A., Andersson, A., Carlsen, E., Petersen, Jørgen Holm, Toppari, J. & Skakkebæk, Niels Erik, 2012, In: B M J Open. 2, 4, e000990.Research output: Contribution to journal › Journal article › Research › peer-review
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Human sperm cells can form paracetamol metabolite AM404 that directly interferes with sperm calcium signalling and function through a CatSper-dependent mechanism
Rehfeld, Anders Aagaard, Frederiksen, H., Rasmussen, R. H., David, A., Chaker, J., Nielsen, B. S., Nielsen, J. E., Juul, Anders, Skakkebæk, Niels Erik & Kristensen, D. M., 2022, In: Human reproduction (Oxford, England). 37, 5, p. 922-935 14 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Human urinary excretion of non-persistent environmental chemicals: an overview of Danish data collected between 2006 and 2012
Frederiksen, H., Jensen, T. K., Jørgensen, N., Kyhl, H. B., Husby, S., Skakkebæk, Niels Erik, Main, Katharina Maria, Juul, Anders & Andersson, A., 2014, In: Reproduction. 147, 4, p. 555-565 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Hypothesis: Metformin is a potential reproductive toxicant
Tavlo, M., Skakkebæk, Niels Erik, Mathiesen, Elisabeth, Kristensen, D. M., Kjær, Kurt H., Andersson, A. & Lindahl-Jacobsen, R., 2022, In: Frontiers in Endocrinology. 13, 8 p., 1000872.Research output: Contribution to journal › Journal article › Research › peer-review
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Hypothesis: exposure to endocrine-disrupting chemicals may interfere with timing of puberty
Mouritsen, Annette Korsholm, Aksglaede, L., Sørensen, K., Mogensen, S. S., Leffers, H., Main, Katharina Maria, Frederiksen, H., Andersson, A., Skakkebæk, Niels Erik & Juul, Anders, 1 Apr 2010, In: International Journal of Andrology. 33, 2, p. 346-59 14 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Identification and expression profiling of 10 novel spermatid expressed CYPT genes
Hansen, M. A., Nielsen, J. E., Tanaka, M., Almstrup, Kristian, Skakkebæk, Niels Erik & Leffers, H., May 2006, In: Molecular Reproduction and Development. 73, 5, p. 568-579 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Identification of genes differentially expressed in testes containing carcinoma in situ
Høi-Hansen, Christina Engel, Nielsen, J. E., Almstrup, Kristian, Hansen, M. A., Skakkebæk, Niels Erik, Rajpert-DeMeyts, E. & Leffers, H., Jun 2004, In: Molecular Human Reproduction. 10, 6, p. 423-431 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Identity of M2A (D2-40) antigen and gp36 (Aggrus, T1A-2, podoplanin) in human developing testis, testicular carcinoma in situ and germ-cell tumours
Sonne, Si Brask, Herlihy, A. S., Hoei-Hansen, C. E., Nielsen, J. E., Almstrup, Kristian, Skakkebæk, Niels Erik, Marks, A., Leffers, H. & Rajpert-De Meyts, E., 2006, In: Virchows Archiv. 449, 2, p. 200-6 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Immunohistochemical expression of embryonal marker TRA-1-60 in carcinoma in situ and germ cell tumors of the testis
Giwercman, A., Andrews, P. W., Jørgensen, N., Müller, J., Graem, N. & Skakkebæk, Niels Erik, 15 Aug 1993, In: Cancer. 72, 4, p. 1308-14 7 p.Research output: Contribution to journal › Journal article › Research
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Impact of growth hormone administration on other hormonal axes.
Jørgensen, J., Ovesen, P., Juul, Anders, Hansen, T., Skakkebæk, Niels Erik & Christiansen, J., 1999, In: Hormone Research. 51, p. 121-126 5 p.Research output: Contribution to journal › Review › Research
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Impact of psychological stress measured in three different scales on testis function: A cross-sectional study of 1362 young men
Nordkap, L., Priskorn, L., Bräuner, E. V., Hansen, Åse Marie, Kirstine Bang, A., Holmboe, S. A., Winge, S. B., Egeberg Palme, D. L., Mørup, N., Skakkebæk, Niels Erik, Kold Jensen, T. & Jørgensen, N., 2020, In: Andrology. 8, 6, p. 1674-1686 13 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Impaired testicular function in patients with carcinoma-in-situ of the testis
Petersen, P. M., Giwercman, A., Hansen, S. W., Berthelsen, Jens, Daugaard, G., Rørth, M. & Skakkebæk, Niels Erik, 1999, In: Journal of Clinical Oncology. 17, 1, p. 173-9 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Impaired thermoregulation in adults with growth hormone deficiency during heat exposure and exercise
Juul, Anders, Behrenscheer, A., Tims, T., Nielsen, B., Halkjaer-Kristensen, J. & Skakkebæk, Niels Erik, 1993, In: Clinical Endocrinology. 38, 3, p. 237-244 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Improved gene expression signature of testicular carcinoma in situ
Almstrup, Kristian, Leffers, H., Lothe, R. A., Skakkebæk, Niels Erik, Sonne, Si Brask, Nielsen, J. E., Rajpert-De Meyts, E. & Skotheim, R. I., 2007, In: International Journal of Andrology. 30, 4, p. 292-303Research output: Contribution to journal › Journal article › Research › peer-review
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Increase in first morning voided urinary luteinizing hormone levels precedes the physical onset of puberty
Demir, A., Voutilainen, R., Juul, Anders, Dunkel, L., Alfthan, H., Skakkebæk, Niels Erik & Stenman, U. H., 1996, In: Journal of Clinical Endocrinology and Metabolism. 81, 8, p. 2963-7 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Increase in maternal placental growth hormone during pregnancy and disappearance during parturition in normal and growth hormone-deficient pregnancies
Lønberg, U., Damm, Peter, Andersson, A., Main, Katharina Maria, Chellakooty, M., Lauenborg, J., Skakkebæk, Niels Erik & Juul, Anders, 1 Jan 2003, In: American Journal of Obstetrics and Gynecology. 188, 1, p. 247-51 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Increased expression of alpha- and beta-globin mRNAs at the pituitary following exposure to estrogen during the critical period of neonatal sex differentiation in the rat
Leffers, H., Navarro, V. M., Nielsen, J. E., Mayen, A., Pinilla, L., Dalgaard, M., Malagon, M. M., Castaño, J. P., Skakkebæk, Niels Erik, Aguilar, E. & Tena-Sempere, M., 1 Apr 2006, In: Journal of Steroid Biochemistry and Molecular Biology. 99, 1, p. 33-43 11 p.Research output: Contribution to journal › Journal article › Research
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Increased risk of carcinoma in situ in patients with testicular germ cell cancer with ultrasonic microlithiasis in the contralateral testicle
Holm, M., Hoei-Hansen, C. E., Rajpert-De Meyts, E. & Skakkebæk, Niels Erik, 1 Oct 2003, In: Journal of Urology. 170, 4 Pt 1, p. 1163-7 5 p.Research output: Contribution to journal › Journal article › Research
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Increasing international efforts to understand and conquer testicular germ cell cancer
Rajpert-De Meyts, E., Daugaard, G., Almstrup, Kristian, Jørgensen, A., Rørth, M., Jørgensen, N., von der Maase, H. & Skakkebæk, Niels Erik, Jan 2015, In: Andrology. 3, 1, p. 1-3 3 p.Research output: Contribution to journal › Editorial › Research › peer-review
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Increasing trends in childlessness in recent birth cohorts - a registry-based study of the total Danish male population born from 1945 to 1980
Priskorn, L., Holmboe, S., Jacobsen, R., Jensen, T. K., Lassen, T. H. & Skakkebæk, Niels Erik, 2012, In: International Journal of Andrology. 35, 3, p. 449-55 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Individual testosterone decline and future mortality risk in men
Holmboe, S. A., Skakkebæk, Niels Erik, Juul, Anders, Scheike, Thomas, Jensen, T. K., Linneberg, Allan René, Thuesen, B. H. & Andersson, A., Jan 2018, In: European Journal of Endocrinology. 178, p. 121-128Research output: Contribution to journal › Journal article › Research › peer-review
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Influence of FGF23 and Klotho on male reproduction: Systemic vs direct effects
Hansen, Lasse Bøllehuus, Kaludjerovic, J., Nielsen, J. E., Rehfeld, Anders Aagaard, Poulsen, N. N., Ide, N., Skakkebæk, Niels Erik, Frederiksen, H., Juul, Anders, Lanske, B. & Jensen, M. B., 2020, In: F A S E B Journal. 34, 9, p. 12436-12449Research output: Contribution to journal › Journal article › Research › peer-review
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Influence of marital status on testosterone levels-A ten year follow-up of 1113 men
Holmboe, S. A., Priskorn, L., Jørgensen, N., Skakkebæk, Niels Erik, Linneberg, Allan René, Juul, Anders & Andersson, A., 2017, In: Psychoneuroendocrinology. 80, p. 155-161 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Inhibin A, inhibin B, follicle-stimulating hormone, luteinizing hormone, estradiol, and sex hormone-binding globulin levels in 473 healthy infant girls
Chellakooty, M., Schmidt, I. M., Haavisto, A. M., Boisen, K. A., Damgaard, I. N., Mau, C., Petersen, Jørgen Holm, Juul, Anders, Skakkebæk, Niels Erik & Main, Katharina Maria, 2003, In: Journal of Clinical Endocrinology and Metabolism. 88, 8, p. 3515-20 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Insulin-like factor 3 levels in cord blood and serum from children: effects of age, postnatal hypothalamic-pituitary-gonadal axis activation, and cryptorchidism
Bay, K., Virtanen, H. E., Hartung, S., Ivell, R., Main, Katharina Maria, Skakkebæk, Niels Erik, Andersson, A., Toppari, J. & Nordic Cryptorchidism Study Group, N. C. S. G., 1 Oct 2007, In: Journal of Clinical Endocrinology and Metabolism. 92, 10, p. 4020-7 8 p.Research output: Contribution to journal › Journal article › Research
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Insulin-like factor 3 levels in second-trimester amniotic fluid
Bay, K., Cohen, A. S., Jørgensen, Finn Stener, Jørgensen, C., Lind, A. M., Skakkebæk, Niels Erik & Andersson, A., 1 Oct 2008, In: Journal of Clinical Endocrinology and Metabolism. 93, 10, p. 4048-51 4 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Insulin-like growth factor I (IGF-I) and IGF-binding protein 3 as diagnostic markers of growth hormone deficiency in infancy
Jensen, R. B., Jeppesen, K. A., Vielwerth, S., Michaelsen, K. F., Main, Katharina Maria, Skakkebæk, Niels Erik & Juul, Anders, 2005, In: Hormone Research. 63, 1, p. 15-21 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Intranasal LH-RH treatment of cryptorchidism. A clinical trial and 5 years follow-up
Thorup, Jørgen Mogens, Mauritzen, K. & Skakkebæk, Niels Erik, 1987, In: European Journal of Pediatrics. 146 Suppl 2, p. S40-1Research output: Contribution to journal › Journal article › Research › peer-review
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Intranasalt gonadotropinfrigørende hormon (LH-RH) som behandling ved retentio testis
Bertelsen, A., Skakkebæk, Niels Erik, Mauritzen, K., Preuss, P., Pedersen, P. V. & Thorup, Jørgen Mogens, 15 Jun 1981, In: Ugeskrift for Laeger. 143, 25, p. 1595-7 3 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Intrauterine exposure to mild analgesics is a risk factor for development of male reproductive disorders in human and rat
Kristensen, D. M., Hass, U., Lesné, L., Lottrup, G., Jacobsen, P. R., Desdoits-Lethimonier, C., Boberg, J., Petersen, Jørgen Holm, Toppari, J., Jensen, T. K., Brunak, Søren, Skakkebæk, Niels Erik, Nellemann, C., Main, Katharina Maria, Jégou, B. & Leffers, H., 2011, In: Human Reproduction. 26, 1, p. 235-44 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Intrauterine growth retardation and consequences for endocrine and cardiovascular diseases in adult life: does insulin-like growth factor-I play a role?
Jensen, R. B. B., Chellakooty, M., Vielwerth, S., Vaag, Allan, Larsen, T. K., Greisen, Gorm, Skakkebæk, Niels Erik, Scheike, T. H. & Juul, Anders, 2003, In: Hormone Research. 60 Suppl 3, p. 136-48 13 p.Research output: Contribution to journal › Journal article › Research
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In vitro bioassay investigations of the endocrine disrupting potential of steviol glycosides and their metabolite steviol, components of the natural sweetener Stevia
Shannon, M., Rehfeld, Anders Aagaard, Frizzell, C., Livingstone, C., McGonagle, C., Skakkebæk, Niels Erik, Wielogórska, E. & Connolly, L., 15 May 2016, In: Molecular and Cellular Endocrinology. 427, p. 65-72Research output: Contribution to journal › Journal article › Research › peer-review
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Is Sedentary Lifestyle Associated With Testicular Function? A Cross-Sectional Study of 1,210 Men
Priskorn, L., Jensen, T. K., Bang, A. K., Nordkap, L., Joensen, Ulla Nordström, Lassen, T. H., Olesen, I. A., Swan, S. H., Skakkebæk, Niels Erik & Jørgensen, N., 15 Aug 2016, In: American Journal of Epidemiology. 184, 4, p. 284-294 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Is human fecundity changing? A discussion of research and data gaps precluding us from having an answer
Smarr, M. M., Sapra, K. J., Gemmill, A., Kahn, L. G., Wise, L. A., Lynch, C. D., Factor-Litvak, P., Mumford, S. L., Skakkebæk, Niels Erik, Slama, R., Lobdell, D. T., Stanford, J. B., Jensen, T. K., Boyle, E. H., Eisenberg, M. L., Turek, P. J., Sundaram, R., Thoma, M. E. & Buck Louis, G. M., 2017, In: Human Reproduction. 32, 3, p. 499-504Research output: Contribution to journal › Comment/debate › Research
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Is human fecundity declining?
Skakkebæk, Niels Erik, Jørgensen, N., Main, Katharina Maria, Rajpert-De Meyts, E., Leffers, H., Andersson, A., Juul, Anders, Carlsen, E., Mortensen, G. K., Jensen, T. K. & Toppari, J., 1 Feb 2006, In: International Journal of Andrology. 29, 1, p. 2-11 10 p.Research output: Contribution to journal › Journal article › Research
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Is the FSHR 2039A>G variant associated with susceptibility to testicular germ cell cancer?
Bang, A. K., Busch, A. S., Almstrup, Kristian, Gromoll, J., Kliesch, S., Rajpert-De Meyts, E., Skakkebæk, Niels Erik, Juul, Anders, Tüttelmann, F. & Jørgensen, N., 2018, In: Andrology. 6, 1, p. 176-183 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Is there a problem with male reproduction?
Joensen, Ulla Nordström, Skakkebæk, Niels Erik & Jørgensen, N., 2009, In: Nature Clinical Practice Endocrinology & Metabolism. 5, 3, p. 144-5 1 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Klinefelter syndrome comorbidities linked to increased X chromosome gene dosage and altered protein interactome activity
Belling, K., Russo, F., Jensen, A. B., Dalgaard, M. D., Westergaard, David, Rajpert-De Meyts, E., Skakkebæk, Niels Erik, Juul, Anders & Brunak, Søren, 1 Apr 2017, In: Human Molecular Genetics. 26, 7, p. 1219-1229 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Klinefelter syndrome: the forgotten syndrome: basic and clinical questions posed to an international group of scientists
Juul, Anders, Aksglaede, L., Bay, K., Grigor, K. M. & Skakkebæk, Niels Erik, 1 Jun 2011, In: Acta Paediatrica. 100, 6, p. 791-2 2 p.Research output: Contribution to journal › Conference article › Research
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Lack of stimulation of 24-hour growth hormone release by hypocaloric diet in obesity
Rasmussen, M. H., Juul, Anders, Kjems, L. L., Skakkebæk, Niels Erik & Hilsted, J., 1995, In: Journal of Clinical Endocrinology and Metabolism. 80, 3, p. 796-801 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
ID: 35319116
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EDC IMPACT: Chemical UV filters can affect human sperm function in a progesterone-like manner
Research output: Contribution to journal › Journal article › Research › peer-review
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Prenatal exposure to antifungal medication may change anogenital distance in male offspring: a preliminary study
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215
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Variations in repeated serum concentrations of UV filters, phthalates, phenols and parabens during pregnancy
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