@inbook{1114878073, author={Richard P. Usatine and Camille Sabella and Mindy Ann Smith and E.J. Mayeaux, Jr. and Heidi S. Chumley and Elumalai Appachi}, title={Rheumatology}, booktitle={The Color Atlas of Pediatrics}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2015}, url={accesspediatrics.mhmedical.com/content.aspx?aid=1114878073} }