title: [Diagnostic value of periodic constituents of fetal cardiac rhythm in the process of development of pregnancy].
mesh_terms: D004562:Electrocardiography; D005260:Female; D005318:Fetal Heart / Q000502:physiology* / Q000503:physiopathology; D006801:Humans; D009200:Myocardial Contraction; D011247:Pregnancy; D011248:Pregnancy Complications / Q000503:physiopathology; D011262:Pregnancy Trimester, Second; D011263:Pregnancy Trimester, Third
vernacular_title: Diagnosticheskoe znachenie periodicheskikh sostavliaiushchikh serdechnogo ritma ploda v protsesse razvitiia beremennosti.