TY - GEN AU - Jacovella,G AU - Pino,P G AU - Costa,M AU - Celli,P AU - Castellari,M AU - Sebastiani,F TI - [Evaluation of biological prostheses using the Doppler method] SN - 0046-5968 PY - 1990///0531 KW - Aortic Valve KW - surgery KW - Bioprosthesis KW - adverse effects KW - Echocardiography KW - Evaluation Studies as Topic KW - Heart Valve Prosthesis KW - Humans KW - Mitral Valve KW - Time Factors N1 - Publication Type: Comparative Study; Journal Article; Review ER -