Butalbital/Aspirin/Caffeine, Oral: References

FIORINAL (butalbital, aspirin, and caffeine capsule) Accessed March 1, 2015 from: http://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=a00c6776-e9ef-411b-9396-915c3787559a

Aspirin/Butalbital/Caffeine. DRUGDEX System. 2015 Truven Health Analytics, Inc. Accessed March 22, 2015 from http://thomsonhc.com.