Bérzin, Maria da Graça Rodrigues, and José Tadeu Tesseroli de Siqueira. 2015. “Study on the Training of Brazilian Dentists and Physicians Who Treat Patients With Chronic Pain”. Brazilian Journal of Oral Sciences 8 (1). Limeira, SP:44-49. https://doi.org/10.20396/bjos.v8i1.8642334.