Beta-endorphin and male sexual behavior.
D000818:Animals; D004723:Endorphins / Q000494:pharmacology*; D005106:Exploratory Behavior / Q000187:drug effects; D008297:Male; D009271:Naltrexone / Q000494:pharmacology; D010455:Peptides / Q000494:pharmacology*; D051381:Rats; D012726:Sexual Behavior, Animal / Q000187:drug effects*
D004723:Endorphins; D010455:Peptides; D009271:Naltrexone