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Mulgrew AT, Fox N, Ayas NT, Ryan CF. Diagnosis and initial management of obstructive sleep apnea without polysomnography: a randomized validation study. Annals of Internal Medicine. February 2007, 146 (3): 157–66. PMID 17283346. doi:10.7326/0003-4819-146-3-200702060-00004.
Sleep Apnea: What Is Sleep Apnea?. NHLBI: Health Information for the Public. U.S. Department of Health and Human Services. July 10, 2012 [2016-08-18]. (原始内容存档于August 19, 2016).
Sleep Apnea: What Is Sleep Apnea?. NHLBI: Health Information for the Public. U.S. Department of Health and Human Services. July 10, 2012 [2016-08-18]. (原始内容存档于August 19, 2016).