TY - RPRT TI - Introduction--The worldwide collaborative observational study and MULTI-analysis on allogeneic leukocyte immunotherapy for recurrent abortion. AU - N Gleicher PY - 1994 DO - 10.1111/j.1600-0897.1994.tb01094.x UR - https://pubmed.ncbi.nlm.nih.gov/7826501/ ID - 7826501 ER -