Pérou (1) Survival analysis (Biometry) (1) Time (1) Thrombosis (1) Thromboembolism (1) Survival (1) Surgery (1) Mortality (1) Months (1) Mayo dialect (Piman) (1) Materials (1) Longitudinal method (1) Literature (1) Heart valve prosthesis (1) Heart valves (1) Health (1) Diseases--Causes and theories of causation (1) Diseases (1) Death (1) Chest (1) Anticoagulants (Medicine) (1) Analysis of variance (1) Método longitudinal (1) Meses (1) Prótesis valvulares cardíacas (1) Salud (1) Análisis de la supervivencia (1) Análisis de varianza (1) Válvulas cardíacas (1) Anticoagulantes (1)