Yu, Duoduo, Yaming Yu, Qian Peng, Jingting Luo, and Xu He. 2023. “Clinical Efficacy of Breathing Training Combined With Core Stability Training in Chronic Nonspecific Low Back Pain: Training in Chronic Nonspecific Low Back Pain”. Pakistan Journal of Medical Sciences 39 (4). https://doi.org/10.12669/pjms.39.4.6918.