@inbook{6737629, author={Erica B. Monasterio and Mary-Ann Shafer}, editor={Rudolph, Colin D. and Rudolph, Abraham M. and Lister, George E. and First, Lewis R. and Gershon, Anne A.}, title={Chapter 78. Contraception}, booktitle={Rudolph's Pediatrics, 22e}, publisher={The McGraw-Hill Companies}, address={New York, NY}, year={2011}, url={accesspediatrics.mhmedical.com/content.aspx?aid=6737629} }