@article{202001.0037, doi = {}, url = {https://doi.org/}, year = 2020, month = {January}, publisher = {Preprints}, author = {Yu-Han Huang and Ke-Cheng Cheng and Pei-Wen Yang and Mong-Wei Lin and Pei-Ming Huang and Sunn-We Kuo and Jang-Ming Lee}, title = {Long-Term Follow-up for Patients with Early Esophageal Cancer Treated with Photodynamic Therapy (PDT)}, journal = {Preprints} }