title: [Functional activity of the heart in relation to intellectual work].
mesh_terms: D000328:Adult; D005260:Female; D006321:Heart / Q000502:physiology*; D006339:Heart Rate; D006801:Humans; D008128:Logic; D008606:Mental Processes / Q000502:physiology*; D008875:Middle Aged; D011247:Pregnancy; D011340:Problem Solving / Q000502:physiology; D014427:Twins / Q000523:psychology
vernacular_title: Funktsional'naia aktivnost' serdtsa v zavisimosti ot umstvennoĭ deiatel'nosti.