introduction: patients referred to as having thalassemia major are usually those who come to medical attention in the first year of life and subsequently require regular transfusions to survive. those who present later or who seldom need transfusions are said to have thalassemia intermediahydroxyurea, an s-phase-specific and non-dna-hypomethylating chemotherapeutic agents is capable of inducing...

background: methotrexate has an important role in treatment of acute leukemia. we measured methotrexate level in csf and blood of children with acute lymphoblastic leukemia to determine complications and outcomes. materials and methods: one hundred and twenty patients (73 male, 47 female), with mean age at diagnosis of 6.1 years (11mo_15years) entered the study. patients were divided into two g...