Henry L. Bockus, and colleagues at University of Pennsylvania Graduate School of Medicine.
Gastroenterology; general index to volume 1, 2 and 3.
R561029. Gastroenterology; general index to volume 1, 2 and 3. By Henry L. Bockus, and colleagues at University of Pennsylvania Graduate School of Medicine. © 5Mar46; A1791. Henry L. Bockus (A); 11Oct73; R561029.
Henry L. Bockus|A