[Late follow-up of patients with dura mater valves].
D000206:Actuarial Analysis; D001705:Bioprosthesis / Q000009:adverse effects / Q000401:mortality; D001938:Brazil; D004388:Dura Mater; D005500:Follow-Up Studies; D006350:Heart Valve Prosthesis / Q000009:adverse effects / Q000401:mortality; D006801:Humans
Seguimento tardio de pacientes portadores de válvulas de dura-máter.