title: [Changes in heart rhythm during hypoxic functional tests].
mesh_terms: D000328:Adult; D000337:Aerospace Medicine; D000531:Altitude; D001145:Arrhythmias, Cardiac / Q000209:etiology*; D004562:Electrocardiography; D006801:Humans; D000860:Hypoxia / Q000150:complications*; D008297:Male; D014586:USSR
vernacular_title: Ob izmeneniiakh ritma serdtsa pri gipoksicheskoĭ funktsional'noĭ probe.