Belcher Elizabeth, Soni Manish, Azeem Fazil, Sheppard Mary N, Petrou Mario
Department of Cardiac Surgery, The Royal Brompton and Harefield NHS Trust, London, United Kingdom.
Ann Thorac Surg. 2009 Nov;88(5):1704. doi: 10.1016/j.athoracsur.2009.02.047.