The paralysing action of morphine on the guinea-pig ileum.
D001285:Atropine / Q000494:pharmacology*; D006168:Guinea Pigs; D007082:Ileum / Q000187:drug effects*; D007583:Jejunum / Q000187:drug effects*; D009020:Morphine / Q000494:pharmacology*
D009020:Morphine; D001285:Atropine
ATROPINE/effects; ILEUM/effect of drugs on; JEJUNUM/effect of drugs on; MORPHINE/effects