No abstract available
MeSH terms
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Anal Canal / pathology
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Anal Canal / surgery*
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Anus Neoplasms / diagnosis
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Anus Neoplasms / epidemiology
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Anus Neoplasms / etiology
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Anus Neoplasms / therapy*
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Carcinoma, Squamous Cell / diagnosis
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Carcinoma, Squamous Cell / epidemiology
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Carcinoma, Squamous Cell / etiology
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Carcinoma, Squamous Cell / therapy*
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Clinical Trials as Topic / methods
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Clinical Trials as Topic / trends
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Combined Modality Therapy / trends*
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HIV Infections / epidemiology
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Humans
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Proctoscopy / methods*
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Proctoscopy / statistics & numerical data
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Prognosis
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Risk Factors