@inbook{1161325229, author={Carolyn Goh and Carol Cheng and George Agak and Andrea L. Zaenglein and Emmy M. Graber and Diane M. Thiboutot and Jenny Kim}, editor={Kang, Sewon and Amagai, Masayuki and Bruckner, Anna L. and Enk, Alexander H. and Margolis, David J. and McMichael, Amy J. and Orringer, Jeffrey S.}, title={Acne Vulgaris}, booktitle={Fitzpatrick's Dermatology, 9e}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2019}, url={accessmedicine.mhmedical.com/content.aspx?aid=1161325229} }