1. Incidence estimate of nonmelanoma skin cancer in the United States, 2006;Rogers;Arch Dermatol,2010
2. SkinCancerNet: What is skin cancer? Schaumberg, IL: American Academy of Dermatology. Available at: http://www.skincarephysicians.com/skincancernet/whatis.html. Accessed March 17, 2012.
3. A systematic review of worldwide incidence of nonmelanoma skin cancer;Lomas;Br J Dermatol,2012
4. What you need to know about melanoma and other skin cancers. NIH Publication No. 10-7625. Available at: http://www.cancer.gov/cancertopics/wyntk/skin.pdf. Accessed May 21, 2012.
5. Post-surgical treatment of early-stage breast cancer with electronic brachytherapy: An intersociety, multicenter brachytherapy trial;Beitsch;Onco Targets Ther,2010