Bartosik, Katarzyna, et al. “Risk to Human Health Posed by Ixodes Ricinus Ticks in Relation to Diagnostic and Therapeutic Possibilities in South-Eastern Poland”. Polish Journal of Public Health, vol. 121, no. 3, Sept. 2011, pp. 263-6, https://czasopisma.umlub.pl/pjph/article/view/1993.