For citations:

Kalinkin A.L. Obstructive sleep apnea syndrome is a risk factor for arterial hypertension. "Arterial’naya Gipertenziya" ("Arterial Hypertension"). 2003;9(2):37-41. (In Russ.) https://doi.org/10.18705/1607-419X-2003-9-2-37-41