Royer, M., and T. Stevanovic. “Study of Corylus Cornuta Twig Extracts: Antioxidant, Radical Scavenging, Anti-Enzymatic Activities and Cytotoxicity”. International Journal of Biotechnology for Wellness Industries, vol. 1, no. 1, Apr. 2012, pp. 67-84, doi:10.6000/1927-3037.2012.01.01.05.