TY - JOUR T1 - Source of Bias in the Spanish Language Version of the WPAI:PSO (Work Productivity and Activity Impairment—Psoriasis v.2.0) Questionnaire JO - Actas Dermo-Sifiliográficas T2 - AU - Margarit,E. AU - López-Ferrer,A. AU - Vilarrasa,E. AU - Puig,L. SN - 15782190 M3 - 10.1016/j.adengl.2017.02.029 DO - 10.1016/j.adengl.2017.02.029 UR - https://actasdermo.org/en-source-bias-in-spanish-language-articulo-S1578219018300416 ER -