Yang L, Stanworth S, Hopewell S, Doree C, Murphy M. Transfusion. 2012 Jan 18. doi: 10.1111/j.1537-2995.2011.03515.x. [Epub ahead of print]
Do NHS Blood and Transplant, Oxford, Reino Unido; do Addenbrooke’s Hospital, Cambridge, Reino Unido; e do UK Cochrane Centre, Oxford, Reino Unido.