Apremilast for the treatment of moderate‐to‐severe palmoplantar psoriasis: results from a double‐blind, placebo‐controlled, randomized study. - Bissonnette, R.; Haydey, R.; Rosoph, L. A.; Lynde, C. W.; Bukhalo, M.; Fowler, J. F.; Delorme, I.; Gagné‐henley, A.; Gooderham, M.; Poulin, Y.; Barber, K.; Jenkin, P.; et al. (Journal of the European Academy of Dermatology & Venereology, 2018)