title: [Certification in echocardiography. Why is it important?].
authors.affiliation: Departamento Servicio de Ecocardiografía. Instituto Nacional de Cardiología Ignacio Chávez.
authors.forename: Julio
authors.initials: J
authors.lastname: Erdmenger-Orellana
authors.forename: Pedro
authors.initials: P
authors.lastname: Gutierrez-Fajardo
mesh_terms: D002568:Certification; D004452:Echocardiography / Q000592:standards*; D008800:Mexico