@inbook{1159800029,
author={Charles Huggins and Claudia Kim and Hao Wang},
editor={Reichman, Eric F.},
title={Anoscopy},
booktitle={Reichman's Emergency Medicine Procedures, 3e},
publisher={McGraw-Hill Education},
address={New York, NY},
year={2018},
url={accessemergencymedicine.mhmedical.com/content.aspx?aid=1159800029}
}