TY - EJOUR T1 - Prenatal diagnosis of anterior duplication anomaly (dicephalus diauchenos) by ultrasonography AU - Hahmann, K. AU - Issel, E. P. AU - Steinbach, Christel PY - 1982 LA - und PB - Kooperation de Gruyter JO - Journal of Perinatal Medicine - Official Journal of the WAPM DO - 10.1515/jpme.1982.10.2.93 ER -