Franco , R., M. Basili, A. Venditti, C. Chiaramonte, L. Ottria, A. Barlattani jr., and P. Bollero. 2016. “Statistical Analysis of the Frequency Distribution of Signs and Symptoms of Patients With Temporomandibular Disorders”. Oral & Implantology 9 (4):190-201. https://www.oimplantology.org/oimp/article/view/162.