840Background: We designed a single-arm, open label phase II study to determine the efficacy and toxicity of pemetrexed monotherapy with vitamin supplement in refractory colorectal (CRC) patients w... Click to show full abstract
840Background: We designed a single-arm, open label phase II study to determine the efficacy and toxicity of pemetrexed monotherapy with vitamin supplement in refractory colorectal (CRC) patients w...
               
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