Analysis of three outcome measures in moderate to severe psoriasis: a registry-based study of 2450 patients
Norlin J.M., Steen Carlsson K., Persson U., Schmitt-Egenolf M.
Britsh Journal of Dermatology, Vol 166, Issue 4, pages 797-802
DOI: 10.1111/j.1365-2133.2011.10778.x