Genetic association of interleukin-21 polymorphisms with systemic lupus erythematosus.
Sawalha AH, Kaufman KM, Kelly JA, Adler AJ, Aberle T, Kilpatrick J, Wakeland EK, Li QZ, Wandstrat AE, Karp DR, James JA, Merrill JT, Lipsky P, Harley JB.
Sawalha AH, et al.
Ann Rheum Dis. 2008 Apr;67(4):458-61. doi: 10.1136/ard.2007.075424. Epub 2007 Aug 24.
Ann Rheum Dis. 2008.
PMID: 17720724