Bagel, J., Zapata, J., Nelson, E. and Keegan, B. 2018. Psoriasis Patients on Chronic Biologic Therapy May Benefit from Additional Treatment-Study Design and Baseline Characteristics. SKIN The Journal of Cutaneous Medicine. 2, S1 (Feb. 2018), S12. DOI:https://doi.org/10.25251/skin.2.supp.13.