title: [Phases of the cardiac cycle and heart rhythm in healthy newborn infants during the period of adaptation according to polycardiographic findings].
mesh_terms: D006321:Heart / Q000502:physiology*; D006334:Heart Function Tests; D006801:Humans; D007231:Infant, Newborn
vernacular_title: Fazy serdechnogo tsikla i serdechnyĭ ritm u zdorovykh novorozhdennykh v period adaptatsii po dannym polikardiografii