@inbook{1177006522, author={Sarah Nakib and Monica Rani}, editor={Soutor, Carol and Hordinsky, Maria K.}, title={The Differential Diagnosis of Purpura}, booktitle={Clinical Dermatology}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2017}, url={dermatology.mhmedical.com/content.aspx?aid=1177006522} }