@inbook{1127274065, author={E. Christopher Ellison and Robert M. Zollinger, Jr.}, title={REPAIR OF UMBILICAL HERNIA}, booktitle={Zollinger's Atlas of Surgical Operations, 10e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2016}, url={accesssurgery.mhmedical.com/content.aspx?aid=1127274065} }