[Heart activity characteristics in fetuses of middle-aged primaparae].
D000328:Adult; D004562:Electrocardiography; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis* / Q000503:physiopathology; D005318:Fetal Heart / Q000503:physiopathology*; D006801:Humans; D000860:Hypoxia / Q000175:diagnosis* / Q000503:physiopathology; D008423:Maternal Age; D010701:Phonocardiography; D011247:Pregnancy
Osobennosti serdechnoĭ deitel'nosti plodov u pozhilykh pervorodiashchikh.