1998h-055 2001o-064 2007a-384 adverseeffects boneregeneration complications control diseases genetherapy graftrejection heart hearttransplantation hematopoieticstemcells hematopoieticstemcelltransplantation immunosuppressiveagents kidneys kidneytransplantation prevention prosthesesandimplants tissueengineering transplantation transplantationimmunology transplantionimmunology we200e5762007 wg169c26552001 wh380a2441999 wj368k4551998 wj368r837r1979