| comparison of heterologous adult brugia malayi and homologous onchocerca volvulus antigen in the enzyme-linked immunosorbent assay (elisa) for guatemalan onchocerciasis. | to determine the susceptibility of a heterologous filarial antigen for measuring onchocerca volvulus antibodies, worms were compared using an enzyme-linked immunosorbent assay (elisa) test. control serum samples from helminth-free u.s. residents and from helminth-infected but filariae-free salvadoran residents were tested and compared with serum obtained from microfilariae-positive and -negative guatemalan residents living in an area of endemic onchocerciasis. the results showed that none of the ... | 1984 | 6491844 |