title: The Merida animal variola vaccine vaccine laboratories.
authors.forename: A N
authors.initials: AN
authors.lastname: CASTELLANOS
mesh_terms: D006801:Humans; D012899:Smallpox; D012900:Smallpox Vaccine
chemical_list: D012900:Smallpox Vaccine
keywords: SMALLPOX/vaccine
vernacular_title: Los laboratorios de vacuna animal anti-variolosa de Merida.