The prevalence of anaemia among populations living at different altitudes in north-western Ethiopia.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D000531:Altitude; D000740:Anemia / Q000453:epidemiology*; D002648:Child; D002675:Child, Preschool; D005002:Ethiopia; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D012737:Sex Factors