TY - GEN AU - Monteagudo,A AU - Timor-Tritsch,I E AU - Sharma,S TI - Early and simple determination of chorionic and amniotic type in multifetal gestations in the first fourteen weeks by high-frequency transvaginal ultrasonography SN - 0002-9378 PY - 1994///0428 KW - Amnion KW - diagnostic imaging KW - Chorion KW - Female KW - Humans KW - Pregnancy KW - Pregnancy Trimester, First KW - Pregnancy, Multiple KW - Ultrasonography KW - methods N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/s0002-9378(94)70291-8 ER -