TY - RPRT TI - Some obstetric factors in Rh isoimmunization. AU - W D LAWRENCE AU - E J DIEFENBACH AU - C J EHRENBERG PY - 1956 DO - 10.1016/0002-9378(56)90730-x UR - https://pubmed.ncbi.nlm.nih.gov/13313607/ ID - 13313607 ER -