Excellent long term survival and absence of vaginal recurrences in 332 patients with low risk stage I endometrial adenocarcinoma treated with hysterectomy and vaginal brachytherapy without formal staging lymph node sampling: report of a prospective trial. - Eltabbakh,G.H.; Piver,M.S.; Hempling,R.E.; Shin,K.H. (J Rad Oncol Biol Phys, 1997)