title: IS CHRONIC HYPOXIA ASSOCIATED WITH REDUCTION OF LEUKEMIA LYMPHOMA INCIDENCE?
mesh_terms: D000531:Altitude; D006801:Humans; D000860:Hypoxia; D007938:Leukemia / Q000453:epidemiology*; D008223:Lymphoma / Q000453:epidemiology*; D008875:Middle Aged; D009329:Nebraska; D014959:Wyoming