Swart L, Shuttleworth M H, Opie J J, van Schalkwyk W A
Department of Haematology, Groote Schuur and Red Cross Children's Hospital Complex, National Health Laboratory Service and University of Cape Town, South Africa.
Br J Haematol. 2012 Apr;157(1):2. doi: 10.1111/j.1365-2141.2012.09052.x. Epub 2012 Feb 14.