Comparison of Biological and Mechanical Prostheses for Heart Valve Surgery: A Systematic Review of Randomized Controlled Trials oleh Alberto Takeshi Kiyose, Erica Aranha Suzumura, Lígia Laranjeira, Anna Maria Buehler, José Amalth Espírito Santo, Otavio Berwanger, Antonio Carlos de Camargo Carvalho, Angelo Amato de Paola, Valdir Ambrósio Moises, Alexandre Biasi Cavalcanti