S. E. Whitmore; C. S. Potten; C. A. Chadwick; P. T. Strickland; W. L. Morison (2001). «Effect of photoreactivating light on UV radiation-induced alterations in human skin». Photodermatol. Photoimmunol. Photomed.17 (5): 213–217. doi:10.1111/j.1600-0781.2001.170502.x. PMID11555330.
S. E. Whitmore; C. S. Potten; C. A. Chadwick; P. T. Strickland; W. L. Morison (2001). «Effect of photoreactivating light on UV radiation-induced alterations in human skin». Photodermatol. Photoimmunol. Photomed.17 (5): 213–217. doi:10.1111/j.1600-0781.2001.170502.x. PMID11555330.