title: Is there a problem with male reproduction?
authors.affiliation: University Department of Growth and Reproduction at Rigshospitalet, Copenhagen, Denmark.
authors.forename: Ulla Nordström
authors.initials: UN
authors.lastname: Joensen
authors.forename: Niels E
authors.initials: NE
authors.lastname: Skakkebaek
authors.forename: Niels
authors.initials: N
authors.lastname: Jørgensen
mesh_terms: D006801:Humans; D007248:Infertility, Male / Q000209:etiology / Q000378:metabolism / Q000517:prevention & control*; D008297:Male; D011634:Public Health; D012661:Semen / Q000378:metabolism / Q000502:physiology