[Endogenous opiates and chronic constipation].
D002908:Chronic Disease; D003248:Constipation / Q000139:chemically induced* / Q000188:drug therapy; D004723:Endorphins; D006801:Humans; D009270:Naloxone / Q000627:therapeutic use
D004723:Endorphins; D009270:Naloxone
Oppioidi endogeni e stitichezza cronica.