On the importance of being earnest. Decline in semen quality among fertile men in Paris during the past 20 years.
Sharpe
R M
RM
MRC Reproductive Biology Unit, Edinburgh, UK.
D005298:Fertility; D006801:Humans; D008297:Male; D010297:Paris; D012661:Semen / Q000166:cytology* / Q000502:physiology; D013076:Sperm Count; D013081:Sperm Motility / Q000502:physiology; D013094:Spermatozoa / Q000166:cytology* / Q000502:physiology