Rajadhyaksha M, Menaker G, Flotte T, Dwyer PJ, González S. Confocal Examination of Nonmelanoma Cancers in Thick Skin Excisions to Potentially Guide Mohs Micrographic Surgery Without Frozen Histopathology. Journal of Investigative Dermatology. 2001 Nov;117(5):1137–43. doi: 10.1046/j.0022-202x.2001.01524.x.