LEUKEMIA.
D000970:Antineoplastic Agents; D001803:Blood Transfusion; D016026:Bone Marrow Transplantation; D002648:Child; D002869:Chromosome Aberrations; D006801:Humans; D007239:Infections; D007938:Leukemia; D007945:Leukemia, Lymphoid; D007951:Leukemia, Myeloid; D008727:Methotrexate; D009026:Mortality; D009369:Neoplasms / Q000453:epidemiology* / Q000209:etiology*; D009858:Oncogenic Viruses; D012106:Research
D000970:Antineoplastic Agents; D008727:Methotrexate
ANTINEOPLASTIC AGENTS; BLOOD TRANSFUSION; BONE MARROW TRANSPLANTATION; CHILD; CHROMOSOME ABNORMALITIES; INFECTION; LEUKEMIA, LYMPHOCYTIC; LEUKEMIA, MYELOCYTIC; METHOTREXATE; MORTALITY; NEOPLASM ETIOLOGY; NEOPLASM STATISTICS; ONCOGENIC VIRUSES; RESEARCH