Borek-Wojciechowska, Regina, and Sylwia Kłokow. “CE Marking As a Necessary Requirement of Free Marketing and Use of Medical Products”. Polish Journal of Public Health 119, no. 1 (January 1, 2009): 99–104. Accessed February 10, 2026. https://czasopisma.umlub.pl/pjph/article/view/2276.