The pontypridd headache survey.
D000328:Adult; D000367:Age Factors; D000368:Aged; D005260:Female; D006261:Headache / Q000150:complications / Q000453:epidemiology*; D006306:Health Surveys; D006801:Humans; D008297:Male; D008875:Middle Aged; D008881:Migraine Disorders / Q000453:epidemiology; D009325:Nausea / Q000150:complications; D012737:Sex Factors; D011795:Surveys and Questionnaires; D013997:Time Factors; D014839:Vomiting / Q000150:complications; D014852:Wales