Simha, M R Histological analysis of upper gastrointestinal endoscopic biopsies. [electronic resource] - Indian journal of gastroenterology : official journal of the Indian Society of Gastroenterology Jul 1986 - 197 p. digital Publication Type: Journal Article ISSN: 0254-8860 Subjects--Topical Terms: BiopsyDuodenal Diseases--pathologyEndoscopyEsophageal Diseases--pathologyHumansStomach Diseases--pathology