Au SC, Goldminz AM, Kim N, Dumont N, Michelon M, Volf E, Hession M, Lizzul PF, Andrews ID, Kerensky T, Wang A, Yaniv S, Gottlieb AB. Investigator-initiated, open-label trial of ustekinumab for the treatment of moderate-to-severe palmoplantar psoriasis. J Dermatolog Treat. 2013 Jun; 24(3):179-87.