The three-legged stool: a model for the practicing clinical gastroenterologist.
Brandt
Lawrence J
LJ
Division of Gastroenterology, Montefiore Medical Center, Bronx, New York, USA.
Rogers
Arvey I
AI
D035843:Biomedical Research; D005762:Gastroenterology; D006801:Humans; D010819:Physician's Role; D013663:Teaching