Al Lawati, Nabil M.; Patel, Sanjay R.; Ayas, Najib T. (January 2009). "Epidemiology, Risk Factors, and Consequences of Obstructive Sleep Apnea and Short Sleep Duration". Progress in Cardiovascular Diseases. 51 (4): 285–293. doi:10.1016/j.pcad.2008.08.001. PMID19110130.
nih.gov
nhlbi.nih.gov
"Sleep Apnea: What Is Sleep Apnea?". NHLBI: Health Information for the Public. U.S. Department of Health and Human Services. July 10, 2012. Diarkibkan daripada yang asal pada August 19, 2016. Dicapai pada 2016-08-18.
Al Lawati, Nabil M.; Patel, Sanjay R.; Ayas, Najib T. (January 2009). "Epidemiology, Risk Factors, and Consequences of Obstructive Sleep Apnea and Short Sleep Duration". Progress in Cardiovascular Diseases. 51 (4): 285–293. doi:10.1016/j.pcad.2008.08.001. PMID19110130.
web.archive.org
"Sleep Apnea: What Is Sleep Apnea?". NHLBI: Health Information for the Public. U.S. Department of Health and Human Services. July 10, 2012. Diarkibkan daripada yang asal pada August 19, 2016. Dicapai pada 2016-08-18.