[The incidence of chronic disease among the rural population].
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D002908:Chronic Disease; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D009017:Morbidity; D012423:Rural Health; D012426:Russia
O rasprostranennosti sredi sel'skogo naseleniia dlitel'no protekaiushchikh zabolevaniĭ.