Comparison of postoperative radiotherapy and chemotherapy in the multidisciplinary management of malignant gliomas: A joint Radiation Therapy Oncology and Eastern Cooperative Oncology Group Study. - Chang,C.H.; Horton,J.; Schoenfeld,D.; Salazer,O.; Perez-Tamayo,R.; Kramer,S.; Weinstein,A.; Nelson,J.S.; Tsukada,Y. (Cancer, 1983)