Mycobacterium tuberculosis Beijing in the State of Nuevo Leon, Mexico Nohemí Catana-Botello; Pola Becerril-Montes; Jorge Castro-Garza; Francisco González-Salazar; Horacio Almanza-Reyes; María De Los Ángeles Del Bosque-Moncayo; Alejandro Morales-Vargas; Víctor Manuel Velázquez-Moreno;

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