Efficacy and safety of immunotherapy plus chemotherapy in elderly patients with advanced gastric cancer: a retrospective study.
N. Ishibashi
T. Kawakami
K. Fushiki
K. Oshima
S. Hamauchi
Takahiro Tsushima
Tomoya Yokota
Y. Onozawa
Hirofumi Yasui
Kentaro Yamazaki
Medicine