[] Gastrointestinal Disorders - Acute Abdomen and Surgical Gastroenterology:
1.) * Abdominal Pain
2.) * Mechanical Intestinal Obstruction
3.) * Ileus
4.) * Ischemic Colitis
5.) * Appendicitis
6.) * Acute Peritonitis
7.) * Chronic Peritonitis
http://www.merck.com/pubs/mmanual/section3/chapter25/25a.htm