title: [The 25th anniversary of smallpox eradication in Mexico. III. From the independence (1821) till the eradication].
mesh_terms: D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D008800:Mexico; D011057:Politics; D012899:Smallpox / Q000266:history* / Q000276:immunology / Q000517:prevention & control; D012900:Smallpox Vaccine / Q000266:history*; D014611:Vaccination / Q000266:history
chemical_list: D012900:Smallpox Vaccine
vernacular_title: Vigésimoquinto aniversario de la erradicación de la viruela en México. III. Desde la independencia (1821) hasta la erradicación.