[Analysis of systolic phases of the left ventricle in pregnant women].
D004562:Electrocardiography; D005260:Female; D005865:Gestational Age; D006321:Heart / Q000502:physiology*; D006801:Humans; D010701:Phonocardiography; D011247:Pregnancy; D016276:Ventricular Function
Analiz faz sistoly levogo zheludochka u beremennykh zhenshchin.