@inbook{6972189, author={Donald E. Greydanus and Helen D. Pratt}, editor={Patel, Dilip R. and Greydanus, Donald E. and Baker, Robert J.}, title={Chapter 2. Adolescent Growth and Development, and Sport Participation}, booktitle={Pediatric Practice: Sports Medicine}, publisher={The McGraw-Hill Companies}, address={New York, NY}, year={2009}, url={accesspediatrics.mhmedical.com/content.aspx?aid=6972189} }