Tabaie, Seyed Mehdi, et al. “Systemic Photodynamic Therapy With Chlorine E6 As a Photosensitizer for the Treatment of Nodular BCC: A Case Report: PDT With Chlorine E6”. Journal of Lasers in Medical Sciences, vol. 13, Oct. 2022, p. e44, https://journals.sbmu.ac.ir/jlms/article/view/36732.