TY - RPRT TI - A frequent polymorphism of the complement component C4 gene. AU - R Goldstein AU - J Gruhn AU - F C Arnett AU - M Duvic PY - 1986 DO - 10.1093/nar/14.13.5570 UR - https://pubmed.ncbi.nlm.nih.gov/3016654/ ID - 3016654 ER -