TY - GEN AU - Enria,R AU - Morabito,D AU - Becchino,L AU - Coscia,A AU - Bertino,E TI - [Determination of the gestational age] SN - 0026-4946 PY - 1997///1021 KW - Embryonic and Fetal Development KW - Female KW - Gestational Age KW - Humans KW - Pregnancy N1 - Publication Type: Letter ER -