Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Tetsuya Okayama and Yuji Naitoh and Tomoyo Yasuda and Osamu Dohi and Kazuhiro Kamada and Kazuhiko Uchiyama and Juichiro Yoshida and Yoshito Itoh and Takayuki Ohta and Takeshi Ishikawa and Naohisa Yoshida and Hideyuki Konishi and Osamu Handa and Tomohisa Takagi,Abstract 5540: Clinical significance of soluble forms of immune checkpoint molecules in advanced esophageal cancer,Cancer Research,0008-5472,American Association for Cancer Research (AACR),2018-07-01,78,,5540-5540,https://cir.nii.ac.jp/crid/1874242817304609664,https://doi.org/10.1158/1538-7445.am2018-5540