Regional variations in the course of illness in Finland.
D000293:Adolescent; D000328:Adult; D002908:Chronic Disease / Q000453:epidemiology; D003710:Demography; D005260:Female; D005387:Finland; D006801:Humans; D008297:Male; D008875:Middle Aged; D009017:Morbidity; D014937:Work; D014938:Work Capacity Evaluation