Gastric and duodenal ulcer. By P. C. Perry. Southern Medical Journal 1913.
D000367:Age Factors; D004381:Duodenal Ulcer / Q000266:history; D005431:Florida; D005743:Gastrectomy / Q000266:history; D049673:History, 20th Century; D006801:Humans; D012737:Sex Factors; D013276:Stomach Ulcer / Q000266:history