Martoni, A Weekly regimen of 5-FU vs 5-FU + intermediate dose folinic acid in the treatment of advanced colorectal cancer. [electronic resource] - Anticancer research - 607-12 p. digital Publication Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial ISSN: 0250-7005 Subjects--Topical Terms: Adenocarcinoma--drug therapyAgedColonic Neoplasms--drug therapyDrug Administration ScheduleFemaleFluorouracil--administration & dosageHumansLeucovorin--administration & dosageMaleMiddle AgedRectal Neoplasms--drug therapy