- http://www.health.yahoo.com/
- http://www.nih.gov/
- http://www.webmd.com/
- http://www.medicinenet.com/
- http://www.mayoclinic.com/
- http://www.drugs.com/
- http://www.everydayhealth.com/
- http://www.medhelp.org/
- http://www.healthgrades.com/
- http://www.realage.com/
- http://www.wellsphere.com/
- http://www.wellsphere.com/
- http://www.rxlist.com/
- http://www.healthline.com/
- http://www.prevention.com/