No abstract available
MeSH terms
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Adult
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Carcinoma, Squamous Cell / drug therapy*
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Carcinoma, Squamous Cell / ultrastructure
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Female
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Hematoporphyrin Derivative
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Hematoporphyrin Photoradiation*
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Hematoporphyrins / therapeutic use
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Humans
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Male
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Microscopy, Electron
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Middle Aged
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Nasopharyngeal Neoplasms / drug therapy*
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Nasopharyngeal Neoplasms / ultrastructure
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Photochemotherapy*
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Radiation-Sensitizing Agents / therapeutic use
Substances
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Hematoporphyrins
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Radiation-Sensitizing Agents
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Hematoporphyrin Derivative