Identification of two novel Mycobacterium avium allelic variants in pig and human isolates from Brazil by PCR-restriction enzyme analysis - Leão, Sylvia Cardoso; Briones, Marcelo R. S.; Sircili, Marcelo Palma; Balian, Simone de Carvalho; Mores, Nelson; Ferreira Neto, José Soares (Journal of Clinical Microbiology, 1999)