[Breathholding and physical loading as a functional test for the diagnosis of cardiac pathology in middle aged and aged subjects].
D000367:Age Factors; D000368:Aged; D004562:Electrocardiography; D006334:Heart Function Tests; D006801:Humans; D008875:Middle Aged; D010092:Oximetry; D005082:Physical Exertion; D012119:Respiration
Zaderzhka dykhaniia i fizicheskaia magruzka kak funktsional'naia proba dlia diagnostiki serdechnoĭ patologii u liudeĭ pozhilogo i starcheskogo vozrasta.