Differential prevalence rates for headaches: a function of stress and social support?
D000293:Adolescent; D000328:Adult; D001315:Australia; D005260:Female; D006261:Headache / Q000453:epidemiology*; D006801:Humans; D008297:Male; D011584:Psychology / Q000193:education; D013334:Students; D011795:Surveys and Questionnaires; D013997:Time Factors; D014481:United States