1994a-653 1995k-195 1995l-247 1998h-055 2000d-385 2012e-534 amphibians antigen bonemarrow bonemarrowcells bonemarrowtransplantation clinical complications congresses drugeffects embryology etc ethics experimental graftrejection graftversushostreaction heart heart-lungtransplantation hematopoieticstemcells hematopoieticstemcelltransplantation heterologous histocompatibility histocompatibilityantigens hlaantigens hlahistocompatibilityantigens homologous humansorgans(body)transplantation immunogenetics immunologicalaspects immunology immunosuppressiveagents immunotherapy kidneys kidneytransplantation lungs majorhistocompatibilitycomplex methods moralandethicalaspects mouth oralmucosa organtransplantation periodontium pharmacology physiology prevention qw573v227h1995 receptors t-cell t-lymphocytes tcells teeth tissues tissuetransplantation tooth transplantation transplantationoforgans transplantionimmunology transplants w3in924dm2d1977i wg169i331993 wh380h48671998 wj368k4551998 wo660 wo660c776x2000 wo680 wo680h107 wo680p719h1995 wo680v931a1980 xenografts