title: [Analysis of the rhythm dependence of cardiac ejection in newborn infants using M-echocardiography].
authors.forename: P B
authors.initials: PB
authors.lastname: Tsyv'ian
authors.forename: A D
authors.initials: AD
authors.lastname: Vesenina
mesh_terms: D004452:Echocardiography; D006339:Heart Rate; D006801:Humans; D007231:Infant, Newborn / Q000502:physiology*
vernacular_title: Analiz ritmozavisimosti serdechnogo vybrosa u novorozhdennykh deteĭ metodom M-ekhokardiografii.