Picerno, V., G. Filippou, I. Bertoldi, A. Adinolfi, V. Di Sabatino, M. Galeazzi, and B. Frediani. “Prevalence of Baker’s Cyst in Patients With Knee Pain: An Ultrasonographic Study”. Reumatismo, vol. 65, no. 6, Mar. 2014, pp. 264-70, doi:10.4081/reumatismo.2013.715.