title: [Polycardiography in evaluating the duration of the ejection and mechanical systolic phase in pregnant and parturient women].
mesh_terms: D000293:Adolescent; D000328:Adult; D004562:Electrocardiography; D005260:Female; D006321:Heart / Q000502:physiology*; D006339:Heart Rate; D006801:Humans; D008433:Mathematics; D049590:Postpartum Period; D011247:Pregnancy; D013997:Time Factors
vernacular_title: Polikardiografiia v otsenke prodolzhitel'nosti fazy izgnaniia i mekhanicheskoĭ sistoly u beremennykh i rodil'nits