Ruaro, B., Sulli, A., Alessandri, E., Ravera, F., & Cutolo, M. (2012). Coexistence of osteopoikilosis with seronegative spondyloarthritis and Raynaud’s phenomenon: first case report with evaluation of the nailfold capillary bed and literature review. Reumatismo, 64(5), 335–339. https://doi.org/10.4081/reumatismo.2012.335