@inbook{6335945, author={Meryl Waldman, MD and Gerald B. Appel, MD}, editor={Lerma, Edgar V. and Berns, Jeffrey S. and Nissenson, Allen R.}, title={Chapter 27. Immunoglobulin A Nephropathy & Henoch-Schönlein Purpura}, booktitle={CURRENT Diagnosis & Treatment: Nephrology & Hypertension}, publisher={The McGraw-Hill Companies}, address={New York, NY}, year={2009}, url={accessmedicine.mhmedical.com/content.aspx?aid=6335945} }