Henthorn Joan S, Almeida Antonio M, Davies Sally C
Faculty of Medicine, Central Middlesex Hospital Department of Haematology, Hammersmith Hospital, Imperial College London, London NW10 7NS, UK.
Br J Haematol. 2004 Feb;124(3):259-63. doi: 10.1046/j.1365-2141.2003.04775.x.