TY - EJOUR T1 - Prematurity and maternal bronchial hyperresponsiveness AU - Riedel, Frank AU - Achenbach, Ulrike AU - Rieger, Christian H. L. PY - 1989 LA - und PB - Kooperation de Gruyter JO - Journal of Perinatal Medicine - Official Journal of the WAPM DO - 10.1515/jpme.1989.17.2.151 ER -