[New technic for the study of the fetal heart. (Transvaginal intrauterine phonoelectrocardiography)].
D004562:Electrocardiography; D005318:Fetal Heart; D006801:Humans; D008722:Methods; D010701:Phonocardiography
Nuova tecnica per lo studio del cuore fetale. (Fonoelettrocardiografia intrauterina per via transvaginale)