Tonus, Cristiane, Natália Sobral, Douglas Ferla, Daniel Galafassi, and Juliane Pereira Butze. “Evaluation of Standardization of Williams and WHO Periodontal Probes of Different Brands”. ARCHIVES OF HEALTH INVESTIGATION 10, no. 7 (June 3, 2021): 1119–1124. Accessed July 3, 2024. https://archhealthinvestigation.com.br/ArcHI/article/view/5199.