Original Research

The Psoriatic Arthritis Impact of Disease 12-item questionnaire: equivalence, reliability, validity, and feasibility of the touch-screen administration versus the paper-and-pencil version

Salaffi F, Di Carlo M, Carotti M, Farah S, Gutierrez M

Therapeutics and Clinical Risk Management 2016, 12:631-642

Published Date: 21 April 2016