title: Unifying concepts of leukemia. Epidemiology.
mesh_terms: D000367:Age Factors; D001208:Asia; D001856:Bone Marrow Examination; D003718:Denmark; D004812:Epidemiologic Methods; D007390:International Agencies; D007938:Leukemia / Q000175:diagnosis / Q000453:epidemiology*; D008499:Medical Records; D013223:Statistics as Topic; D014481:United States; D014944:World Health Organization