R. Bissonnette, L. S. Gold, L. Kircik, S. Tyring, A. Tailman, and A. Armstrong, “Efficacy of Tapinarof Cream by Body Region in Subjects With Plaque Psoriasis in a Phase 2b Randomized Controlled Study”, J of Skin, vol. 4, no. 5, p. s47, Aug. 2020.