Decreasing quality of semen.
Carlsen
E
E
Giwercman
A
A
Skakkabaek
N E
NE
Keiding
N
N
D006801:Humans; D008297:Male; D012661:Semen / Q000502:physiology*; D013076:Sperm Count; D013094:Spermatozoa / Q000502:physiology*; D013997:Time Factors