De Lucia, O., Paresce, E., Murgo, A., Epis, O., Pisoni, L., Schito, E., Valcamonica, E., Piana, C. and Fantini, F. (2007) “Simultaneous ultrasonography and arthroscopy for the study of the joint environment: indications and limits”, Reumatismo, 59(2), pp. 146–152. doi: 10.4081/reumatismo.2007.146.