SILENOR- doxepin hydrochloride tablet. Pernix Therapeutics, LLC. National Library of Medicine, National Institutes of Health, DailyMed. Accessed October 11, 2016 from https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=1bec1223-5239-4eb6-a9e8-62444106d2c0
Doxepin. Lexi-Comp ONLINE, 2016 Lexi-Comp, Inc. Accessed October 11, 2016 from http://online.lexi.com.
Doxepin. DRUGDEX® System. 2016 Truven Health Analytics Inc. Accessed October 11, 2016 from http://www.thomsonhc.com