T. Roš, B. Gajić, Z. Gajinov, M. Ivkov Simić, S. Stojanović, and Z. Golušin, “Hydroxyurea and nonmelanoma skin cancers: report on three cases and review of the literature”, Vojnosanit Pregl, vol. 74, no. 11, pp. 1089–1093, Nov. 2017, doi: 10.2298/VSP160218298R.