Dot-elisa-igm in saliva for the diagnosis of human leptospirosis using polyester fabric-resin as support preliminary report - Silva, Marcos Vinicius da; Nakamura, P M; Camargo, E D; Batista, L; Vaz, Adelaide José; Brandao, A P; Ferreira, Antônio Walter (Revista do Instituto de Medicina Tropical de Sao Paulo, 1994)