Bialy TL et al. Dietary factors in the prevention and treatment of nonmelanoma skin cancer and melanoma. Dermatol Surg 2002;28:1143-52.
Haywood R, Wardman P, Sanders R, Linge C. Sunscreens inadequately protect against ultraviolet-A-induced free radicals in skin: Implications for skin aging and melanoma? J Invest Dermatol 2003 121: 862-868.
Köpcke W, Krutmann J. Protection from sunburn with beta-carotene - a meta analysis. Photochem Photobiol 2008;84(2):284-8.
Lorentzen HF & Weismann K. The shadow rule and appropriate sun behaviour. Ugeskr Læger 2002; 164: 3346-50.
Placzek M et al. Ultraviolet B-induced DNA damage in human epidermis is modified by the antioxidants ascorbic acid and D-alpha-tocopherol. J Invest Dermatol. 2005;124(2):304-7.
Saliou C, McLaughlin L, Packer L. French Pinus maritima bark extract prevents ultraviolet induced NF-kB dependent gene expression in a human. Santa Barbara: Oxygen Club of California Conf. Pap (1999).