TY - RPRT TI - Major histocompatibility complex (MHC) complement deficiency, ancestral haplotypes and systemic lupus erythematosus (SLE): C4 deficiency explains some but not all of the influence of the MHC. AU - F T Christiansen AU - W J Zhang AU - M Griffiths AU - S A Mallal AU - R L Dawkins PY - 1991 UR - https://pubmed.ncbi.nlm.nih.gov/1757937/ ID - 1757937 ER -