[Effects of morphine and endorphins on ingestive behavior].
D000818:Animals; D004435:Eating / Q000187:drug effects*; D004723:Endorphins / Q000494:pharmacology*; D006801:Humans; D009020:Morphine / Q000494:pharmacology*; D009270:Naloxone / Q000494:pharmacology
D004723:Endorphins; D009270:Naloxone; D009020:Morphine