Når calciumfolinat og 5- fluorouracil kombineres, skal 5 - fluorouracil doseringen reduceres i større grad ved toksicitet end når 5- fluorouracil bruges alene.
When calcium folinate and 5-fluorouracil are used in combination, the 5- fluorouracil dosage has to be reduced more in cases of toxicity than when 5-fluorouracil is used alone.