Zink, A., Koch, E., Seifert, F., Rotter, M., Spinner, C. . D. and Biedermann, T. (2016) “Nonmelanoma skin cancer in mountain guides: high prevalence and lack of awareness warrant development of evidence-based prevention tools”, Swiss Medical Weekly, 146(4950), p. w14380. doi: 10.4414/smw.2016.14380.