No abstract available
MeSH terms
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Botulinum Toxins, Type A* / adverse effects
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Double-Blind Method
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Forehead
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Humans
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Hyaluronic Acid / adverse effects
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Neuromuscular Agents*
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Skin Aging*
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Treatment Outcome
Substances
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Neuromuscular Agents
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Hyaluronic Acid
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Botulinum Toxins, Type A