What Is Angina?
http://www.nhlbi.nih.gov/health/dci/Diseases/Angina/Angina_WhatIs.html

Angina (chest pain) information on MedicineNet.com
http://www.medicinenet.com/angina/article.htm

Heart Attack and Angina
http://www.medhelp.org/lib/attackan.htm

Heart Attack - Symptoms and Warning Signs
http://www.heartinfo.org/hrtatkang.html

Chest pain - MayoClinic.com
http://www.mayoclinic.com/invoke.cfm?id=DS00016

Heart bypass surgery
http://adam.about.com/reports/000129.htm

Cardiac Catheterization
http://www.americanheart.org/presenter.jhtml?identifier=4491

Heart Catheterization, Mayo Clinic in Jacksonville, Fla.
http://www.mayoclinic.org/heartcatheterization-jax/

Cardiac Catheterization
http://womenshealth.aetna.com/WH/ihtWH/r.WSIHW000/st.36134/t.36477.html

Heart disease
http://www.healthscout.com/ency/1/000147.html

Heart and Vascular Disease Information for Patients and the Public ...
http://www.nhlbi.nih.gov/health/public/heart/

Avoid heart disease
http://www.healingdaily.com/conditions/heart-disease.htm