Zhang, Yannan, and Yingying Xu. “Effects of Respiratory Muscle Training on Psychological Status and Physical Health of Depression With Sleep Disorders in Radiotherapy for Lung Cancer”. Psycho-Oncologie 19, no. 3 (August 13, 2025): 3682. Accessed September 1, 2025. https://po.piscomed.com/index.php/PO/article/view/3682.