title: APPENDICITIS CAUSED BY GALLSTONES.
mesh_terms: D001064:Appendicitis; D041761:Cholecystolithiasis; D002769:Cholelithiasis; D003933:Diagnosis; D004381:Duodenal Ulcer; D042882:Gallstones; D006801:Humans
keywords: APPENDICITIS; CHOLELITHIASIS; DIAGNOSIS; DUODENAL ULCER