No abstract available
MeSH terms
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Aged
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Aminolevulinic Acid / administration & dosage*
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Case-Control Studies
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Cheilitis / drug therapy*
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Humans
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Male
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Middle Aged
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Photochemotherapy / methods*
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Photosensitizing Agents / administration & dosage*
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Treatment Outcome
Substances
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Photosensitizing Agents
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Aminolevulinic Acid