title: GAS PERITONITIS ASSOCIATED WITH PERFORATED APPENDICITIS AND CHOLELITHIASIS. AN UNUSUAL CASE REPORT.
mesh_terms: D000005:Abdomen; D001064:Appendicitis; D002769:Cholelithiasis; D004927:Escherichia coli Infections; D006801:Humans; D007416:Intestinal Perforation; D010538:Peritonitis; D011027:Pneumoperitoneum
keywords: APPENDICITIS; ESCHERICHIA COLI INFECTIONS; INTESTINAL PERFORATION; PERITONITIS; PNEUMOPERITONEUM