Frykholm, G J Combined chemo- and radiotherapy vs. radiotherapy alone in the treatment of primary, nonresectable adenocarcinoma of the rectum. [electronic resource] - International journal of radiation oncology, biology, physics Jun 2001 - 427-34 p. digital Publication Type: Clinical Trial; Journal Article; Multicenter Study; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 0360-3016 Standard No.: 10.1016/s0360-3016(01)01479-1 doi Subjects--Topical Terms: Adenocarcinoma--drug therapyAdultAgedAged, 80 and overAntineoplastic Combined Chemotherapy Protocols--adverse effectsCombined Modality TherapyDisease-Free SurvivalDrug Administration ScheduleFemaleFluorouracil--administration & dosageHumansLeucovorin--administration & dosageMaleMethotrexate--administration & dosageMiddle AgedRadiotherapy--adverse effectsRectal Neoplasms--drug therapySurvival Rate