Successful transplantation of HLA-matched and HLA-mismatched umbilical cord blood from unrelated donors: analysis of engraftment and acute graft-versus-host disease. - Wagner ,J.E.; Rosenthal ,J.; Sweetman ,R.; Shu ,X.O.; Davies ,S.M.; Ramsay ,N.K.; McGlave ,P.B.; Sender ,L.; Cairo ,M.S. (Blood, 1996)