Krystal AD (August 2009). "A compendium of placebo-controlled trials of the risks/benefits of pharmacological treatments for insomnia: the empirical basis for U.S. clinical practice". Sleep Med Rev. 13 (4): 265–74. doi:10.1016/j.smrv.2008.08.001. PMID19153052.
"Diphenhydramine Hydrochloride". Drugs.com. American Society of Health-System Pharmacists. 6 September 2016. เก็บจากแหล่งเดิมเมื่อ 15 September 2016. สืบค้นเมื่อ 28 September 2016.
Krystal AD (August 2009). "A compendium of placebo-controlled trials of the risks/benefits of pharmacological treatments for insomnia: the empirical basis for U.S. clinical practice". Sleep Med Rev. 13 (4): 265–74. doi:10.1016/j.smrv.2008.08.001. PMID19153052.
"Diphenhydramine Hydrochloride". Drugs.com. American Society of Health-System Pharmacists. 6 September 2016. เก็บจากแหล่งเดิมเมื่อ 15 September 2016. สืบค้นเมื่อ 28 September 2016.