Jitawatanarat, P., Lertsanguansinchai, P. and Chakrapee-sirisuk, S. (2016) “Metastatic Esophageal Squamous Cell Carcinoma Successfully Treated with Immunotherapy: First Case Report in Thailand”., The Bangkok Medical Journal, 12(1), p. 87. doi: 10.31524/bkkmedj.2016.09.013.