[Fetal biometry by means of ultrasonography in twin pregnancies].
D000328:Adult; D001699:Biometry; D005260:Female; D005333:Fetus / Q000033:anatomy & histology*; D006801:Humans; D011247:Pregnancy; D011272:Pregnancy, Multiple; D014427:Twins; D014463:Ultrasonography
Biometria fetale mediante ultrasonografia nelle gravidanze gemellari.