title: [Ecological zones of Dagestan territory and epidemiology od acute leukemia in older age groups].
abstract: The authors report annual acute leukemia incidence through 1980 to 1995 in Dagestan in respect of implications of of environmental factors. The highest leukemia incidence rate was in the age group over 50 years. Acute leukemia incidence varied with years, sex and territory zones. Active utilization of chemical fertilizers in agriculture proved a contributing factor in the onset of acute leukemia, especially in persons older than 50 years.
authors.forename: Kh E
authors.initials: KhE
authors.lastname: Kazieva
authors.forename: D G
authors.initials: DG
authors.lastname: Khachirov
authors.forename: I A
authors.initials: IA
authors.lastname: Shamov
authors.forename: G V
authors.initials: GV
authors.lastname: Untilov
mesh_terms: D000208:Acute Disease; D003610:Dagestan / Q000453:epidemiology; D004463:Ecology; D004781:Environmental Exposure / Q000009:adverse effects; D005260:Female; D006801:Humans; D015994:Incidence; D007938:Leukemia / Q000453:epidemiology* / Q000209:etiology; D008297:Male; D008875:Middle Aged; D012189:Retrospective Studies