The economic burden of headache: an epidemiological study in the Republic of San Marino.
D000041:Absenteeism; D002648:Child; D003365:Costs and Cost Analysis; D004651:Employment; D004812:Epidemiologic Methods; D005260:Female; D006261:Headache / Q000191:economics* / Q000453:epidemiology; D006801:Humans; D008297:Male; D012496:San Marino