1. Neoadjuvant Endobiliary Photodynamic Therapy in Klatskin Tumor Patients before Resection. First Experience
   D. Yu. Frantsev et al, 2022, Journal of oncology: diagnostic radiology and radiotherapy CrossRef
2. Porphylipoprotein Accumulation and Porphylipoprotein Photodynamic Therapy Effects Involving Cancer Cell-Specific Cytotoxicity
   Hiromi Kurokawa et al, 2021, International Journal of Molecular Sciences CrossRef