Falling sperm counts.
Thomas
J A
JA
D004781:Environmental Exposure / Q000009:adverse effects*; D004967:Estrogens / Q000009:adverse effects*; D005260:Female; D006801:Humans; D008297:Male; D013076:Sperm Count / Q000187:drug effects*; D013091:Spermatogenesis / Q000187:drug effects
D004967:Estrogens