Anal fistula

	Anal fistula Microchapters
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Overview
Historical Perspective
Classification
Pathophysiology
Causes
Differentiating Anal fistula from other Diseases
Epidemiology and Demographics
Risk Factors
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Natural History, Complications and Prognosis
Diagnosis
History and Symptoms
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Ongoing Trials at Clinical Trials.gov
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CDC on Anal fistula
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Risk calculators and risk factors for Anal fistula