Valvuloplasty, mitral valve, with cardiopulmonary bypass; with prosthetic ring
valvuloplasty, mitral valve, with cardiopulmonary bypass; with prosthetic ring
Valvuloplasty, mitral valve, with cardiopulmonary bypass; with prosthetic ring
valvuloplasty, mitral valve, with cardiopulmonary bypass; with prosthetic ring