[Phonocardiographic research on the gravid uterus: c) twin pregnancy].
D005260:Female; D006337:Heart Murmurs; D006347:Heart Sounds; D006801:Humans; D059285:Pregnancy, Twin; D014427:Twins; D014599:Uterus
CARDIAC MURMURS AND SOUNDS; TWINS
Ricerche fonocardiografiche sull'utero gravido: c) gravidanza gemellare.