TY - GEN AU - Kamen,B A AU - Vietti,T TI - Evidence for CSF accumulation of 5-methyltetrahydrofolate during repeated courses of methotrexate plus folinic acid rescue SN - 0007-0920 PY - 1989///1215 KW - Humans KW - Leucovorin KW - administration & dosage KW - Methotrexate KW - Tetrahydrofolates KW - cerebrospinal fluid N1 - Publication Type: Letter; Comment UR - https://doi.org/10.1038/bjc.1989.363 ER -