Benefits of adjuvant chemotherapy in elderly patients with stage IB–IIIB non-small cell lung cancer: a propensity-matched analysis - Qin, Xuan; Xiao, Xiangzhi; Xia, Hongwei; Yang, Ke; Zhang, Shengchao (Translational Cancer Research; Vol 13, No 6 (June 30, 2024): Translational Cancer Research, 2024)