Actions to confront smallpox in Jalisco, 19th and 20th centuries. Letras Históricas E-ISSN: 2448-8372, [S. l.], n. 25, 2021. DOI: 10.31836/lh.25.7309. Disponível em: https://letrashistoricas.cucsh.udg.mx/index.php/LH/article/view/7309. Acesso em: 24 sep. 2026.