Whitaker, I., Shokrollahi, K., James, W., Mishra, A., Lohana, P., & Murison, M. C. (2007). Combined CO2 Laser With Photodynamic Therapy for the Treatment of Nodular Basal Cell Carcinomas. Annals of Plastic Surgery, 59(5), pp. 484-488. doi:10.1097/SAP.0b013e3180338536

Whitaker, Iain, Kayvan Shokrollahi, William James, Anuj Mishra, Parkash Lohana, and Maxwell C. Murison. "Combined CO2 Laser With Photodynamic Therapy for the Treatment of Nodular Basal Cell Carcinomas." Annals of Plastic Surgery 59, no. 5 (2007): 484-488.

Whitaker, Iain, et al. "Combined CO2 Laser With Photodynamic Therapy for the Treatment of Nodular Basal Cell Carcinomas." Annals of Plastic Surgery 59.5 (2007): 484-488.