TY - RPRT TI - Active or passive immunization in unexplained recurrent miscarriage. AU - Ole B Christiansen AU - Henriette S Nielsen AU - Bjorn Pedersen PY - 2004 DO - 10.1016/j.jri.2003.09.003 UR - https://pubmed.ncbi.nlm.nih.gov/15288180/ ID - 15288180 ER -