[Observations on heart changes in acute physical stress].
D000013:Congenital Abnormalities / Q000000981:diagnostic imaging*; D015444:Exercise; D006801:Humans; D007734:Kymography; D001523:Mental Disorders; D011859:Radiography
DEFECTS, CONGENITAL/radiography; EXERCISE/effects; KYMOGRAPHY
Nabliudeniia nad izmeneniiami serdtsa pri ostroi fizicheskoi. nagruzke.