Acetaminophen/Aspirin/Caffeine, Oral: References

Excedrin Extra Strength. Novartis Consumer Health. Accessed January 28, 2015 from https://www.excedrin.com/headache-pain-relievers/extra-strength.shtml

Excedrin Migraine. Novartis Consumer Health. Accessed January 28, 2015 from https://www.excedrin.com/headache-pain-relievers/migraine.shtml

Aspirin. DRUGDEX System. Truven Health Analytics. Accessed 1/29/15 from http://www.thomsonhc.com/micromedex2/