<unk>  is a procedure in which a patient receives blood-forming<unk>  cells (cells from which all blood cells develop) donated by his or her healthy identical twin.
Syngeneic stem cell transplantation
Stem-cell therapy
Autologous stem-cell transplantation
Autologous immune enhancement therapy
Thymus transplantation
Hematopoietic stem cell transplantation
Peripheral stem cell transplantation
Spleen transplantation