title: Our new president--Donald O. Castell, M.D.
authors.affiliation: Department of Medicine, Allegheny University of the Health Sciences, Philadelphia, Pennsylvania 19102-1192, USA.
authors.forename: B B
authors.initials: BB
authors.lastname: Frank
mesh_terms: D005762:Gastroenterology / Q000266:history; D049673:History, 20th Century; D014481:United States