Gastric acid secretion and duodenal ulcer in Crohn's disease.
D003424:Crohn Disease / Q000150:complications* / Q000378:metabolism / Q000601:surgery; D004381:Duodenal Ulcer / Q000209:etiology*; D005260:Female; D005750:Gastric Juice / Q000378:metabolism*; D006801:Humans; D008297:Male; D011183:Postoperative Complications; D012737:Sex Factors