Nogué, M Protracted treatment with tegafur and low dose oral leucovorin in patients with advanced colorectal carcinoma. [electronic resource] - Cancer Jul 1998 - 254-8 p. digital Publication Type: Clinical Trial; Clinical Trial, Phase II; Journal Article ISSN: 0008-543X Subjects--Topical Terms: Administration, OralAdultAgedAntidotes--administration & dosageAntimetabolites, Antineoplastic--administration & dosageCarcinoma--drug therapyColorectal Neoplasms--drug therapyDrug InteractionsDrug Therapy, CombinationFemaleHumansLeucovorin--administration & dosageMaleMiddle AgedSurvival AnalysisTegafur--administration & dosage