Matthews-Brzozowska, Teresa, Agnieszka Sikorska, Kornela Cieślik, Arleta Głowacka, and Maja Matthews-Kozanecka. 2016. “Evaluation of Oral Hygiene in School Children from the Eastern Region of Wielkopolska”. Journal of Medical Science 85 (4): 294-97. https://doi.org/10.20883/jms.2016.185.