Name	Info	Provider	Link
	subscription/membership/fee required	Elsevier Science	https://linkinghub.elsevier.com/retrieve/pii/S1389-9457(12)00115-3
Sleep Apnea	free resource	MedlinePlus Health Information	https://medlineplus.gov/sleepapnea.html
	subscription/membership/fee required	ClinicalKey	https://www.clinicalkey.com/content/playBy/pii?v=S1389-9457(12)00115-3
Cited by Patents in	free resource	The Lens - Patent Citations	https://www.lens.org/lens/search/patent/list?q=citation_id:22503005