@inbook{1185667031, author={Sarah Stein}, editor={Stern, Scott D.C. and Cifu, Adam S. and Altkorn, Diane}, title={Purpura/Petechiae}, booktitle={Symptom to Diagnosis: An Evidence-Based Guide, 4e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2020}, url={accessmedicine.mhmedical.com/content.aspx?aid=1185667031} }