Some current data on headache research.
D000223:Adaptation, Psychological; D000328:Adult; D000368:Aged; D001676:Biofeedback, Psychology; D003214:Conditioning, Classical; D005260:Female; D006261:Headache / Q000209:etiology / Q000523:psychology*; D006801:Humans; D008950:MMPI; D008297:Male; D008875:Middle Aged; D008881:Migraine Disorders / Q000209:etiology / Q000523:psychology