Fiftieth anniversary: American College of Gastroenterology. Reprints. The American Journal of Gastroenterology celebrates the Golden Anniversary of the College.
D005762:Gastroenterology / Q000266:history*; D049673:History, 20th Century; D010506:Periodicals as Topic / Q000266:history; D012955:Societies, Medical / Q000266:history*; D014481:United States