1.
Xi J, Jiang H, Zhang N, Wang J, Zhang B, Cao H, et al. Respiratory muscle endurance training with normocapnic hyperpnoea for patients with chronic spinal cord injury: A pilot short-term randomized controlled trial. JRM [Internet]. 2019 Jun. 26 [cited 2025 Feb. 14];51(8):616-20. Available from: https://medicaljournalssweden.se/jrm/article/view/9554