Gelatin particle indirect agglutination test for serodiagnosis of schistosomiasis: comparative study with enzyme-linked immunosorbent assay - Kobayashi, J; Carrilho, Flair José; Shimabukuro, T; Silva, L. C.; Soares, E C; Nishimura, N F; Chieffi, Pedro Paulo; Sato, Y (Revista do Instituto de Medicina Tropical de Sao Paulo, 1994)