Iagnocco, A., Perella, C., Ceccarelli, F., Tripodo, E., Alessandri, C., Magrini, L. and Valesini, G. 2006. Ultrasonographic assessment of the response to Etanercept treatment in patients with rheumatoid arthritis. Reumatismo. 58, 3 (Sep. 2006), 233–238. DOI:https://doi.org/10.4081/reumatismo.2006.233.