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Cheung MM, Chan JK, Wong KF.Cheung MM, et al. Among authors: wong kf.Semin Hematol. 2003 Jul;40(3):221-32. doi: 10.1016/s0037-1963(03)00136-7.Semin Hematol. 2003.PMID: 12876671Review.
Ma SK, Wong KF, Chan JK, Kwong YL.Ma SK, et al. Among authors: wong kf.Br J Haematol. 1995 May;90(1):216-8. doi: 10.1111/j.1365-2141.1995.tb03405.x.Br J Haematol. 1995.PMID: 7786789