@inbook{7038247, author={Casey M. Calkins and Manu R. Sood}, editor={Rudolph, Colin D. and Rudolph, Abraham M. and Lister, George E. and First, Lewis R. and Gershon, Anne A.}, title={Chapter 415. Congenital Anomalies of the Anorectum}, booktitle={Rudolph's Pediatrics, 22e}, publisher={The McGraw-Hill Companies}, address={New York, NY}, year={2011}, url={accesspediatrics.mhmedical.com/content.aspx?aid=7038247} }