title: Open access echocardiography.
authors.forename: E
authors.initials: E
authors.lastname: Calvo Corbella
authors.forename: J J
authors.initials: JJ
authors.lastname: Rodriguez Alonso
authors.forename: C
authors.initials: C
authors.lastname: Quintana Luzón
authors.forename: M
authors.initials: M
authors.lastname: Gonzalez
mesh_terms: D004452:Echocardiography / Q000706:statistics & numerical data*; D005194:Family Practice; D006297:Health Services Accessibility; D006801:Humans; D012017:Referral and Consultation