7BOWMAN S J, HRAHIM G H, HOLMES G, et al. Estimating the prevalence among Caucasian women of primary Sj. 9Ten: syndrome in two general practic, es in Birmingham, UK [ J ]. Scand J RheumatO1,2004(33) : 39-43.
8PILLEMER S R, MATrESON E L, JACOHSSON L T, et al. Incidenr, e of physician cliagnosed primary Sj. gren: syndrome in residents of Olmsted County, Minnesota [ J ]. Mayo Clin Proc,200,76 : 593-599.
