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