No abstract available
Publication types
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Adult
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Cost-Benefit Analysis
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Evaluation Studies as Topic
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Female
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Headache / economics
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Headache / therapy*
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Humans
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Male
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Muscle Contraction
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Psychotherapy / methods*
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Random Allocation
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Relaxation Therapy*