. . . . . . . "[We conclude that the presence of 1 or 2 C4A null allotypes and the presence of a C4A gene deletion identify subgroups of patients with SLE that differ in clinical, laboratory, and autoantibody characteristics from other patients with SLE.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2017-02-19"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2017-10-17T13:11:09+02:00"^^ . . . . . . . . . . . "v5.0.0.0" . "v5.0.0" .