title: Synergistic effect of methyltestosterone & norgestrel on fertility of rats.
mesh_terms: D000818:Animals; D004357:Drug Synergism; D005298:Fertility / Q000187:drug effects*; D005837:Genitalia, Male / Q000187:drug effects / Q000502:physiology*; D008297:Male; D008777:Methyltestosterone / Q000494:pharmacology*; D009644:Norgestrel / Q000494:pharmacology*; D051381:Rats
chemical_list: D009644:Norgestrel; D008777:Methyltestosterone