methionine and total homocysteine were measured prior to , during , and following twenty-six 24-h i.v . infusions of 33.6 g/m2 methotrexate ( very high dose methotrexate ) in 16 children with acute lymphocytic leukemia and seven 4-h i.v . infusions of 8 g/m2 methotrexate ( high dose methotrexate ) in 5 children with osteogenic sarcoma .
C0025677
methotrexate
C0029463
osteogenic sarcoma