the sabin-feldman dye test , the immunoglobulin m ( igm ) immunosorbent agglutination assay , and the immunoblot technique were used to study the evolution of the antibody response to toxoplasma gondii and to examine antigens of the organism recognized by antibodies in the sera of 12 congenitally infected infants and 7 mothers .
C0020861
immunoglobulin m
C0003241
antibodies