1. Pirard, P. and de Vries, E., Incidence of melanoma in people aged under 55 years, European Environment and Health Information System, May 2007, http://www.euro.who.int/en/data-and-evidence/environment-and-health-information-system-enhis/publications/pre-2009/archived-enhis-fact-sheets/incidence-of-melanoma-in-people-aged-under-55-years-enhis-2007-fact-sheet-4.2
2. Mathers, C. D., Boshi-Pinto, C., Lopez, A. D. and Murray, C. J. L., Cancer incidence, mortality, and survival by site for 14 regions of the world, Global Programme on Evidence for Health Policy Discussion Paper no. 13, World Health Organization, 2001, http://apps.who.int/iris/handle/10665/67775
3. Birch bark research and development
4. Pharmacological activities of natural triterpenoids and their therapeutic implications
5. J.
Sarek
, M.Kvasnica, M.Vlk, M.Urban, P.Dzubak, and M.Hajduch, The Potential of Triterpenoids in the Treatment of Melanoma, in Research on Melanoma – A Glimpse into Current Directions and Future Trends, ed. M. Murph, InTech, Rijeka, 2011, pp. 125–157