Palabras claves: ECUADOR, indirect enzyme-linked immunosorbent assay, Mycobacterium avium subsp. paratuberculosis, Nontuberculous mycobacteria, paratuberculosis or John's disease, polymerase chain reaction-insertion sequence 900
Autores: Andrea Proanõ, Darwin Changoluisa, Freddy Proaño-Pérez, Gustavo Echeverría, Henry Escobar, Jacobus H. de Waard, Lenin Ron-Garrido, Zumárraga M.J.