No abstract available
Publication types
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Clinical Trial
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Controlled Clinical Trial
MeSH terms
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Adolescent
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Adult
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Amyl Nitrite / therapeutic use
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Biofeedback, Psychology
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Electromyography
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Female
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Follow-Up Studies
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Headache / psychology*
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Headache / therapy
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Humans
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Male
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Middle Aged
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Prognosis
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Psychophysiologic Disorders / psychology*
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Relaxation Therapy
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Sensory Thresholds
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Stress, Psychological / psychology