title: [John Snow, double meriatrician].
authors.affiliation: Sección de Epidemiología, Centro de Salud Pública de Castellón, Spain. juan.bellido@sanidad.m400.vaa.es
authors.forename: Juan B
authors.initials: JB
authors.lastname: Bellido Blasco
mesh_terms: D000758:Anesthesia / Q000266:history*; D004739:England; D049672:History, 19th Century