Smith J, Karthik S, Thorpe J A C
Department of Cardiothoracic Surgery, SHO in Cardiothoracic Surgery, Yorkshire Heart Centre, Leeds General Infirmary, Great George Street, LEEDS LS1 3EX, UK.
Eur J Cardiothorac Surg. 2004 Jan;25(1):137. doi: 10.1016/j.ejcts.2003.09.028.