Lu, N., Yijin, W., Wenxin, Z. and Jumuddin, F. 2024. Application Effectiveness of Breathing Training Devices in Postoperative Patients with Lung Cancer. International Journal of Advancement in Life Sciences Research. 7, 4 (Oct. 2024), 79-86. DOI:https://doi.org/https://doi.org/10.31632/ijalsr.2024.v07i04.007.