Bernero, E., Sulli, A., Ferrari, G., Ravera, F., Pizzorni, C., Ruaro, B., Zampogna, G., Alessandri, E., & Cutolo, M. (2013). Prospective capillaroscopy-based study on transition from primary to secondary Raynaud’s phenomenon: preliminary results. Reumatismo, 65(4), 186–191. https://doi.org/10.4081/reumatismo.2013.186