Boitor, Cornel Gh., Anca Fratila, Liana Stanciu, Alina Pitic, et Ana Maria Acu. 2011. « Socio-economic factors and hygienic food-illness involved in determining dental caries of 12-year-old children in rural and urban area ». Revista de Cercetare si Interventie Sociala 33 (juin): 167-77. https://www.rcis.ro/journal/article/view/356-socio-economic-factors-and-hygienic-food-illness-involved.