Once-Daily Roflumilast Foam 0.3% Improves Severity and Burden of Itch in Patients With Scalp and Body Psoriasis in a Randomized, Double-blind, Vehicle-Controlled Phase 2b Study. (2021). SKIN The Journal of Cutaneous Medicine, 5(6), s43. https://doi.org/10.25251/skin.5.supp.43