The results of C_3,antinuclearantibody(ANA)and double-stranded-DNA(dsDNA)were compared and the clinicalapplication of factor B was suggested.

• 同时与补体 C_3、抗核抗体(ANA)、抗双链 DNA 抗体(抗 dsDNA 抗体)进行了比较观察,并对血清 B 因子的临床意义进行初步讨论。