Haematopietic stem cells transplantation has now reached her history of 21 yrars in Hong Kong. Like all countries around the world, only related donors or a
@@ HLA disparity is central to the development of GVHD. Mismatching for HLA-A was associated with a significantly increased risk of grades Ⅲ/Ⅳ aGVHD (RR = 1.4