TY - RPRT TI - Interlaboratory variation in antiphospholipid antibody testing. AU - A M Peaceman AU - R K Silver AU - S N MacGregor AU - M L Socol PY - 1992 DO - 10.1016/0002-9378(92)91569-v UR - https://pubmed.ncbi.nlm.nih.gov/1615987/ ID - 1615987 ER -