“Safety and Efficacy of Apremilast Through 104 Weeks in Patients swith Moderate-to-Severe Psoriasis Who Continued on Apremilast or Switched from Etanercept Treatment in the LIBERATE Study” (2017) SKIN The Journal of Cutaneous Medicine, 1(3.1), p. s32. doi:10.25251/skin.1.supp.31.