Aetna Intelihealth
Aetna: Inteli Health: Bowel Obstruction
Thorough overview of the different ways your bowels can be obstructed. Includes information on symptoms, prevention, treatment and more.
American Academy of Family Physicians
Family doctor.org: Nausea and Vomiting
This article presents information about nausea and vomiting, including potential causes. Links are also provided for information on additional subjects.