Lorenzin, M., Ortolan, A., Frallonardo, P., Vio, S., Lacognata, C., Oliviero, F., Punzi, L., & Ramonda, R. (2016). Spine and sacroiliac joints on magnetic resonance imaging in patients with early axial spondyloarthritis: prevalence of lesions and association with clinical and disease activity indices from the Italian group of the SPACE study. Reumatismo, 68(2), 72–82. https://doi.org/10.4081/reumatismo.2016.885