Diagnosis of leptospirosis in experimentally infected swines with l. Interrogans serovar pomona. Use of microscopic agglutination test with the antigen of l. Biflexa strain buenos aires - Vasconcellos, Silvio Arruda; Ohtsubo, Ioshihiro; Yasuda, Paulo Hideki; Moretti, Aníbal de Sant'Anna; Ito, Fumio Honma; Passos, Estevão de Camargo; Cortes, Jose de Angelis; Moreno, Arlindo Garcia (Congress International Pig Veterinary Society, 1988)