Kircik, Leon, Mark Lebwohl, Kim Papp, Melinda Gooderham, Linda Stein Gold, Zoe Draelos, Steven Kempers, Stephen Tyring, Lorne Albrecht, Marni Wiseman, Laura Ferris, Kathleen Smith, Robert Higham, Lynn Navale, Howard Welgus, and David Berk. “Roflumilast Cream (ARQ-151) 0.15% and 0.3% Improved Burden of Signs and Symptoms in Adults With Chronic Plaque Psoriasis in a Phase 2b Study”. SKIN The Journal of Cutaneous Medicine 4, no. 6 (October 27, 2020): s70. Accessed January 24, 2021. https://jofskin.org/index.php/skin/article/view/1103.