title: [The transformation of cardiology in the twentieth century].
authors.affiliation: Dirección General, Instituto Nacional de Cardiología Ignacio Chávez, México DF, México.
authors.forename: Marco Antonio
authors.initials: MA
authors.lastname: Martínez-Ríos
authors.affiliation: Departamento de Consulta Externa, Instituto Nacional de Cardiología Ignacio Chávez, México DF, México. Electronic address: trevethan@cardiologia.org.mx.
authors.forename: Sergio
authors.initials: S
authors.lastname: Trevethan-Cravioto
mesh_terms: D002309:Cardiology / Q000266:history* / Q000295:instrumentation / Q000639:trends; D004867:Equipment Design; D049673:History, 20th Century; D008800:Mexico