The concentrations of serum immunoglobulin(Ig),Ig in circulating immunocomplex(CIC Ig) and the titers of eight kinds of autoantibodies(auto Ab)were determined in the healthy subjects of various ages.

• 本文对不同年龄组健康人血清免疫球蛋白（Ig）、循环免疫复合物（CIC）和游离自身抗体（auto－Ab）的含量进行同步测定。