No abstract available
MeSH terms
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Carcinoma, Squamous Cell / chemically induced*
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Humans
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Hydroxyurea / adverse effects*
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Male
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Middle Aged
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Nucleic Acid Synthesis Inhibitors / adverse effects*
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Skin Neoplasms / chemically induced*
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Time Factors
Substances
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Nucleic Acid Synthesis Inhibitors
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Hydroxyurea