Differences in performance of five types of aortic valve prostheses: haemodynamic assessment by dobutamine stress echocardiography
Jeffrey P Khoo, Joan E Davies, Keng Leong Ang, Manuel Galiñanes, Derek T Chin
Heart Jan 2013, 99 (1) 41-47; DOI: 10.1136/heartjnl-2012-302256
