Combination preoperative radiation and endocavitary hyperthermia for rectal cancer: long-term results of 44 patients. - You,Q.S.; Wang,R.Z.; Suen,G.Q.; Yan,F.C.; Gao,Y.J.; Cui,S.R.; Zhao,J.H.; Zhao,T.Z.; Ding,L. (Int J Hyperthermia, 1993)