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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*