Takahashi H, Itoh Y, Nakajima S, Sakata I, Iizuka H. A novel ATX-S10(Na) photodynamic therapy for human skin tumors and benign hyperproliferative skin. Photodermatol Photoimmunol Photomed. 2004 Oct;20(5):257–65. doi: 10.1111/j.1600-0781.2004.00108.x. PMID: 15379877.