Podswiadek, M., L. Punzi, R. Stramare, R. D’Incà, A. Ferronato, A. Lo Nigro, and G.C. Sturniolo. 1. “The Prevalence of Radiographic Sacroiliitis in Patients Affected by Inflammatory Bowel Disease With Inflammatory Low Back Pain”. Reumatismo 56 (2), 110-13. https://doi.org/10.4081/reumatismo.2004.110.