No abstract available
MeSH terms
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Botulinum Toxins, Type A / administration & dosage
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Botulinum Toxins, Type A / adverse effects
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Botulinum Toxins, Type A / therapeutic use*
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Head
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Humans
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Injections, Intramuscular / adverse effects
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Injections, Intramuscular / methods
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Migraine Disorders / drug therapy*
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Migraine Disorders / prevention & control
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Tension-Type Headache / drug therapy*
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Tension-Type Headache / prevention & control