although no circulating antibody was detected , the participation of humoral immune mechanisms in the elimination of hbsag from the circulation was suggested by presence of hbsag , immunoglobulins , and c ' 3 in germinal centers of mesenteric lymph nodes and hbsag mixed with immunoglobulins in the mesangium of kidney glomeruli .
C0003241
antibody
C0021027
immunoglobulins