Lapadula, G., A. Marchesoni, F. Salaffi, R. Ramonda, C. Salvarani, L. Punzi, L. Costa, et al. 2016. “Evidence-Based Algorithm for Diagnosis and Assessment in Psoriatic Arthritis: Results by Italian DElphi in Psoriatic Arthritis (IDEA)”. Reumatismo 68 (3):126-36. https://doi.org/10.4081/reumatismo.2016.913.