postoperative echocardiography: systolic peak residual gradient of prosthetic pulmonary valve
postoperative echocardiography: systolic peak residual gradient of prosthetic pulmonary valve
postoperative echocardiography: systolic peak residual gradient of prosthetic pulmonary valve (procedure)
postoperative echocardiography: systolic peak residual gradient of prosthetic pulmonary valve (procedure)