Alciati, A., F. Atzeni, P. Sgiarovello, and P. Sarzi-Puttini. “Somatoform Disorders and Rheumatic Diseases: From DSM-IV to DSM-V”. Reumatismo, vol. 66, no. 1, June 2014, pp. 98-102, doi:10.4081/reumatismo.2014.770.