@inbook{1199674068, author={Galina V. Korsunsky}, editor={Hess, Philip E. and Li, Yunping and Kowalczyk, John J. and Stiles, Justin K.}, title={Operative Vaginal Delivery}, booktitle={Obstetric Anesthesia: Quick References & Practical Guides}, publisher={McGraw Hill}, address={New York, NY}, year={2023}, url={accessanesthesiology.mhmedical.com/content.aspx?aid=1199674068} }