Immunofluorescence technique, simple agar diffusion test and PEG precipitation were applied to determine the levels of CIC, ANA,C3 and S-Ig in 50 cases of psoriasis.

• 作者采用间接免疫荧光技术、PEG沉淀法及单向琼脂扩散试验对50例银屑病患者血循环免疫复合物(CIC)、抗核抗体(ANA)、免疫球蛋白(Ig)及补体(C_3)含量进行观测。