TY - RPRT TI - The effect of ethnicity on major histocompatibility complex complement allotypes and extended haplotypes in patients with systemic lupus erythematosus. AU - P H Schur AU - D Marcus-Bagley AU - Z Awdeh AU - E J Yunis AU - C A Alper PY - 1990 DO - 10.1002/art.1780330710 UR - https://pubmed.ncbi.nlm.nih.gov/2369433/ ID - 2369433 ER -