%0 Journal Article %T Significance of Methotrexate Serum Level Achieved in Patients with Gastrointestinal Malignancies Treated with Sequential Methotrexate, L-Folinic Acid and 5-Fluorouracil %A Comella, Pasquale %A Palmieri, Giuseppe %A Beneduce, Gerardo %A Casaretti, Rossana %A Daponte, Antonio %A Gravina, Adriano %A Frasci, Giuseppe %A Biondi, Edoardo %A Comella, Giuseppe %J Oncology %V 53 %N 3 %P 198-203 %@ 0030-2414 %D 1996-01-01 %I S. Karger AG %~ DeepDyve