@inbook{1175823389, author={Zeina Tannous, AO and Mathew M. Avram and Sandy Tsao and Marc R. Avram}, title={Actinic Keratosis}, booktitle={Color Atlas of Cosmetic Dermatology, 2e}, publisher={The McGraw-Hill Companies, Inc.}, address={New York, NY}, year={2011}, url={dermatology.mhmedical.com/content.aspx?aid=1175823389} }