Electrocardiography and phonocardiography of the foetal heart.
D004562:Electrocardiography; D005318:Fetal Heart; D005333:Fetus; D006337:Heart Murmurs; D006347:Heart Sounds; D006801:Humans; D010701:Phonocardiography
CARDIAC MURMURS AND SOUNDS; ELECTROCARDIOGRAPHY; FETUS