title: [Breathing disorders during sleep. Introduction].
authors: Ryszarda
authors: R
authors: Chazan
authors: Jan
authors: J
authors: Zieliński
mesh_terms: D002318:Cardiovascular Diseases / Q000209:etiology / Q000517:prevention & control*; D006293:Health Promotion / Q000458:organization & administration*; D006801:Humans; D006973:Hypertension / Q000517:prevention & control; D011044:Poland; D017286:Polysomnography; D012720:Severity of Illness Index; D020181:Sleep Apnea, Obstructive / Q000175:diagnosis* / Q000453:epidemiology / Q000209:etiology / Q000628:therapy*