The Opie century.
Blackstone
M O
MO
Gastroenterology Section, University of Chicago, Illinois 60637.
D005762:Gastroenterology / Q000266:history; D006470:Hemorrhage / Q000209:etiology / Q000266:history; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D010195:Pancreatitis / Q000209:etiology / Q000266:history*