{definition|establishment|selection} of the {appropriate|necessary|interesting type of transplantation – autologous (from a patient), syngeneic (from an identical twin) or allogeneic (from a relative who does not receive #file_links[“C:\Users\Admin\Desktop\file\gsa+en+20k40k100kGeorgiy1903252P2URLBB.txt”,1,N], or an umbilical cord blood donor).