| Http://: https://www.niddk.nih.gov/health-information/digestive-diseases/appendicitis |
| Http://: http://www.merck.com/mmhe/sec09/ch132/ch132e.html#sec09-ch132-ch132e-1018 |
| Http://: https://www.niddk.nih.gov/health-information/digestive-diseases/appendicitis |
| Http://: http://www.merck.com/mmhe/sec09/ch132/ch132e.html#sec09-ch132-ch132e-1018 |