The Merck Manual
- Description of tricuspid regurgitation and stenosis. Symptoms, signs, diagnosis and treatment are discussed for both.
- http://www.merck.com/pubs/mmanual/section16/chapter207/207d.htm

Tricuspid Regurgitation
- A look at tricuspid regurgitation and its alternative name, as well as the causes and risk factors.
- http://www.nlm.nih.gov/medlineplus/ency/article/000169.htm