Authors: VAYSSIERE CF HEIM N CAMUS EP HILLION YE NISAND IF

Citation: Cf. Vayssiere et al., DETERMINATION OF CHORIONICITY IN TWIN GESTATIONS BY HIGH-FREQUENCY ABDOMINAL ULTRASONOGRAPHY - COUNTING THE LAYERS OF THE DIVIDING MEMBRANE, American journal of obstetrics and gynecology, 175(6), 1996, pp. 1529-1533