Some radiological observations on the effect of morphine sulphate on the gastro-intestinal tract in man.
D041981:Gastrointestinal Tract / Q000187:drug effects*; D006801:Humans; D008297:Male; D009020:Morphine / Q000494:pharmacology*; D011871:Radiology
D009020:Morphine
GASTROINTESTINAL SYSTEM/effect of drugs on; MORPHINE/effects