Giovannini, I., S. Zandonella Callegher, E. Errichetti, S. De Vita, and A. Zabotti. 2021. “Knuckle Pads Mimic Early Psoriatic Arthritis”. Reumatismo 73 (1), 67-69. https://doi.org/10.4081/reumatismo.2021.1354.