[Contractility of the myocardium in its nonspecific lesions in preschool children].
D000367:Age Factors; D009202:Cardiomyopathies / Q000503:physiopathology*; D002648:Child; D002675:Child, Preschool; D006801:Humans; D009200:Myocardial Contraction
Sokratitel'naia sposobnost' miokarda pri nespetsificheskikh ego porazheniiakh u deteĭ doshkol'nogo vozrasta.