Szczeklik, Katarzyna, Danuta Owczarek, Maciej Żarow, Jolanta Pytko-Polończyk, and Tomasz Mach. 2017. “Prevalence of Dental Caries and Oral Hygiene Habits in Patients With Crohn’s Disease Living in Urban and Rural Regions of Southern Poland”. Medicina Internacia Revuo - International Medicine Review 27 (109), 280-87. https://interrev.com/mir/index.php/mir/article/view/122.