"Neoplasms." . . "Leukemia." . . "Cancer in children." . . "Leukemia in children." . . "Leucemia infantil." . . . . "Oncología pediátrica." . . "Pediatrics." . . . . . . . . . "Childhood leukemia and cancer" . "Childhood leukemia and cancer"@en . . . . . . . . . . .