[Some statistical data on acute leukemia in children in Leningrad and the Leningrad region].
D000208:Acute Disease; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007938:Leukemia / Q000453:epidemiology*; D008297:Male; D012424:Rural Population; D014586:USSR; D014505:Urban Population
Nekotorye statisticheskie dannye po ostromu leĭkozu u deteĭ v leningrade i leningradskoĭ oblasti.