@inbook{6737737, author={Colin D. Rudolph and Abraham M. Rudolph and George E. Lister and Lewis R. First and Anne A. Gershon}, title={Chapter 80. Fundamental Concepts of Child Development}, booktitle={Rudolph's Pediatrics, 22e}, publisher={The McGraw-Hill Companies}, address={New York, NY}, year={2011}, url={accesspediatrics.mhmedical.com/content.aspx?aid=6737737} }