@inbook{1171529891, author={Barbara L. Hoffman and John O. Schorge and Lisa M. Halvorson and Cherine A. Hamid and Marlene M. Corton and Joseph I. Schaffer}, title={Pediatric and Adolescent Gynecology}, booktitle={Williams Gynecology, 4e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2020}, url={accessmedicine.mhmedical.com/content.aspx?aid=1171529891} }