%0 Journal Article %T Retrospective analysis of antitumor effects and biomarkers for nivolumab in NSCLC patients with EGFR mutations %A Hiroshi Tanaka %A Koichiro Nozaki %A Kosuke Ichikawa %A Masachika Hayashi %A Masashi Arita %A Miho Takahashi %A Miyuki Sato %A Nobumasa Aoki %A Rie Kondo %A Riuko Ohashi %A Satoshi Shoji %A Satoshi Watanabe %A Toshiaki Kikuchi %A Toshiyuki Koya %A Yasuyoshi Ohshima %A Yoichi Ajioka %J Archive of "PLoS ONE". %D 2019 %R 10.1371/journal.pone.0215292 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6461262/