1. US National Library of Medicine and National Institutes of Health. MEDLINE plus health information: aspirin. Available at: http://www.nlm.nih.gov/medlineplus/druginfo/medmaster/a682878.html. Accessed July 18 2003.
2. US National Library of Medicine and National Institutes of Health. MEDLINE plus health information: clopidogrel. Available at: http://www.nlm.nih.gov/medlineplus/druginfo/medmaster/a601040.html. Accessed July 18 2003.
3. Yale New Haven Health. Glycoprotein IIb/IIIa inhibitors for heart attack and unstable angina. Available at: http://yalenewhavenhealth.org/library/healthguide/IllnessConditions/topic.asp?hwid=tx4284. Accessed July 18 2003.