Nanayakkara Prabath W B, Meijboom Martina, Kramer Mark H H, Wevers Ron A, Jakobs Cornelis
Department of Internal Medicine, VU University Medical Centre, Amsterdam, The Netherlands.
Lancet. 2010 Nov 13;376(9753):1710. doi: 10.1016/S0140-6736(10)61151-8.