title: Role of opioid receptors in stress induced gastric ulceration in rats.
mesh_terms: D000818:Animals; D005260:Female; D008139:Loperamide / Q000494:pharmacology; D008297:Male; D009020:Morphine / Q000494:pharmacology; D009270:Naloxone / Q000494:pharmacology; D051381:Rats; D011957:Receptors, Opioid / Q000502:physiology*; D013276:Stomach Ulcer / Q000378:metabolism*; D013312:Stress, Physiological / Q000150:complications*
chemical_list: D011957:Receptors, Opioid; D009270:Naloxone; D008139:Loperamide; D009020:Morphine