title: [Not Available].
authors.forename: M P
authors.initials: MP
authors.lastname: Herrero
mesh_terms: D000486:Allergy and Immunology / Q000266:history*; D049711:History, Modern 1601-; D012899:Smallpox / Q000266:history*; D013030:Spain
vernacular_title: La vacunación antivariólica en España S.XIX.