González Barón, M Phase I study of UFT plus leucovorin in advanced colorectal cancer: a double modulation proposal. [electronic resource] - Anticancer research - 759-62 p. digital Publication Type: Clinical Trial; Clinical Trial, Phase I; Journal Article ISSN: 0250-7005 Subjects--Topical Terms: Administration, OralAdultAgedAntineoplastic Combined Chemotherapy ProtocolsColonic Neoplasms--drug therapyDrug Administration ScheduleDrug CombinationsFemaleHumansLeucovorin--administration & dosageMaleMiddle AgedRectal Neoplasms--drug therapyTegafur--administration & dosageUracil--administration & dosage