title: Knowledge of patients with mechanical valve prostheses concerning chronic oral anticoagulant therapy.
authors.affiliation: Santa Casa de Misericórdia de Porto Alegre, Hospital São Francisco, RS, Brazil. helena@mdsinfo.com.br
authors.forename: Helena Teixeira
authors.initials: HT
authors.lastname: Rocha
authors.forename: Eneida Rejane
authors.initials: ER
authors.lastname: Rabelo
authors.forename: Graziella
authors.initials: G
authors.lastname: Aliti
authors.forename: Emiliane Nogueira
authors.initials: EN
authors.lastname: de Souza