title: Morphological diagnosis in childhood leukaemia.
mesh_terms: D001853:Bone Marrow / Q000473:pathology*; D002648:Child; D002675:Child, Preschool; D006801:Humans; D006814:Hungary; D007938:Leukemia / Q000145:classification / Q000401:mortality / Q000473:pathology*; D011379:Prognosis