title: [Guidelines: unity and balance].
authors.forename: Wanderley Marques
authors.initials: WM
authors.lastname: Bernardo
authors.forename: António Vaz
authors.initials: AV
authors.lastname: Carneiro
authors.forename: Edmund Chada
authors.initials: EC
authors.lastname: Baracat
mesh_terms: D001938:Brazil; D002309:Cardiology; D019317:Evidence-Based Medicine; D006801:Humans; D017410:Practice Guidelines as Topic / Q000592:standards*