Gene copy-number variation and associated polymorphisms of complement component C4 in human systemic lupus erythematosus (SLE): low copy number is a risk factor for and high copy number is a protective factor against SLE susceptibility in European Americans.
Yang Y, Chung EK, Wu YL, Savelli SL, Nagaraja HN, Zhou B, Hebert M, Jones KN, Shu Y, Kitzmiller K, Blanchong CA, McBride KL, Higgins GC, Rennebohm RM, Rice RR, Hackshaw KV, Roubey RA, Grossman JM, Tsao BP, Birmingham DJ, Rovin BH, Hebert LA, Yu CY.
Yang Y, et al. Among authors: hebert m, hebert la.
Am J Hum Genet. 2007 Jun;80(6):1037-54. doi: 10.1086/518257. Epub 2007 Apr 26.
Am J Hum Genet. 2007.
PMID: 17503323
Free PMC article.