title: Sexual behaviour of morphine-dependent and abstinent male rats.
mesh_terms: D000818:Animals; D002369:Castration; D004971:Estrus / Q000187:drug effects; D005260:Female; D006801:Humans; D008297:Male; D009020:Morphine / Q000494:pharmacology; D009021:Morphine Dependence / Q000523:psychology*; D011247:Pregnancy; D051381:Rats; D012726:Sexual Behavior, Animal / Q000187:drug effects*; D013375:Substance Withdrawal Syndrome / Q000523:psychology*
chemical_list: D009020:Morphine