The Headache Scale: an examination of its reliability and validity.
D000293:Adolescent; D000328:Adult; D003863:Depression; D004644:Emotions; D005260:Female; D006261:Headache / Q000523:psychology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010146:Pain / Q000523:psychology; D010555:Personality Inventory; D012803:Sick Role