| microplate enzyme-linked immunosorbent assay for chagas' disease. | a microscale immunosorbent assay (e.l.i.s.a.) for the measurement of antibody in chagas' disease (american trypanosomiasis) is described. the test was assessed on plasma samples from people living in bahia, brazil. 98% of the individuals with positive trypanosoma cruzi immunofluorescent-antibody (i.f.a.) tests gave e.l.i.s.a. reading considered as positive. less than 2% of those with negative i.f.a. tests had positive e.l.i.s.a. reactions. this simple test may be suitable for use in large seroep ... | 1975 | 48613 |