Dr. Bertram W. Sipp's contributions to medicine.
D004935:Esophageal Diseases / Q000266:history; D005767:Gastrointestinal Diseases / Q000266:history*; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D008297:Male; D010437:Peptic Ulcer / Q000266:history* / Q000628:therapy