TY - RPRT TI - Complexity of MHC class III genes and complement polymorphism. AU - C Rittner AU - P M Schneider PY - 1989 DO - 10.1016/0167-5699(89)90034-0 UR - https://pubmed.ncbi.nlm.nih.gov/2619878/ ID - 2619878 ER -