desialated gp erythrocytes ( e ) were lysed directly or cleared by the reticuloendothelial system in normal gp ( nih-gp ) and cleared by the reticuloendothelial system in gp genetically deficient in the classical complement pathway component c4 ( c4d-gp ) , which activate complement only via the alternative pathway .
C0009516
complement
C0056195
c4d