Lewis-Beck, C., Abouzaid, S., Xie, L., Baser, O., & Kim, E. (2013). Analysis of the relationship between psoriasis symptom severity and quality of life, work productivity, and activity impairment among patients with moderate-to-severe psoriasis using structural equation modeling. Dove Medical Press.

Lewis-Beck, Colin, Safiya Abouzaid, Lin Xie, Onur Baser, and Edward Kim. Analysis of the Relationship between Psoriasis Symptom Severity and Quality of Life, Work Productivity, and Activity Impairment Among Patients With Moderate-to-severe Psoriasis Using Structural Equation Modeling. Dove Medical Press, 2013.

Lewis-Beck, Colin, et al. Analysis of the Relationship between Psoriasis Symptom Severity and Quality of Life, Work Productivity, and Activity Impairment Among Patients With Moderate-to-severe Psoriasis Using Structural Equation Modeling. Dove Medical Press, 2013.