SURGICAL EMERGENCIES OF THE LOWER GASTROINTESTINAL TRACT.
D003108:Colonic Diseases; D003933:Diagnosis; D004630:Emergencies; D006471:Gastrointestinal Hemorrhage; D005853:Geriatrics; D006801:Humans; D007415:Intestinal Obstruction; D007416:Intestinal Perforation; D041741:Lower Gastrointestinal Tract; D013514:Surgical Procedures, Operative
COLONIC DISEASES; DIAGNOSIS; GERIATRICS; HEMORRHAGE, GASTROINTESTINAL; INTESTINAL OBSTRUCTION; INTESTINAL PERFORATION; SURGERY, OPERATIVE