1. Discussion remarks;Aristizabal,1975
2. A method of estimating biological effect of combined intracavitary low dose rate radiation with external in carcinoma of the cervix uteri;Ellis;Radiology,1974
3. Letter: The NSD concept and radioresistant tumors;Ellis;Br. J. Radiol.,1974
4. Nominal standard dose and the ret;Ellis;Br. J. Radiol.,1971
5. The relationship of biological effect to dose-time fractionation factors in radiotherapy;Ellis,1968