Frosi, G., A. Sulli, M. Testa, and M. Cutolo. “The Sterno-Clavicular Joint: Anatomy, Biomechanic, Clinical Features and Aspects of Manual Therapy”. Reumatismo, vol. 56, no. 2, June 2004, pp. 82-88, doi:10.4081/reumatismo.2004.82.