three hundred thirty-five previously untreated patients with advanced colorectal carcinoma were randomly assigned to treatment with 5-fluorouracil ( 5-fu ) alone , 5-fu plus n- ( phosphonacetyl ) -l-aspartic acid ( pala ) , 5-fu plus high-dose thymidine , 5-fu plus levamisole , or 5-fu plus methyl ccnu , vincristine , and streptozotocin ( mof-strept ) .
C0016360
5-fu
C0066687
mof-strept