one hundred and fifteen serum samples from healthy laboratory personnel and 50 consecutive samples from 19 patients with anamnestic clinical signs of toxoplasmosis were assayed by four laboratories for the presence of immunoglobulin m antibodies to toxoplasma gondii by an indirect enzyme-linked immunosorbent assay ( elisa ) , an antibody capture assay with peroxidase-labeled toxoplasma antigen , and an immunoblotting assay .
C0020861
immunoglobulin m
C0003241
antibody