Karczmarek-Borowska, B., A. Stryjkowska, M. Grądalska-Lampart, and M. Grybel. “Knowledge of breast cancer among women living in rural areas”. European Journal of Clinical and Experimental Medicine, vol. 11, no. 3, Sept. 2013, pp. 298–310, https://journals.ur.edu.pl/ejcem/article/view/12629.