1. Alemanno F, Houdayer E, Emedoli D, et al. Efficacy of Virtual Reality to Reduce Chronic Low Back Pain: Proof-of-concept of a Non-Pharmacological Approach on Pain, Quality of Life, Neuropsychological and Functional Outcome. PLoS ONE. 2019;14(5):e0216858.
2. Reddel HK, Bateman ED, Becker A, et al. A summary of the new GINA strategy: a roadmap to asthma control. European Respiratory Journal. 2015;46(3):622-39.
3. Levy M, Andrews R, Buckingham R, et al. Why asthma still kills: the National Review of Asthma Deaths (NRAD) Confidential Enquiry report London: RCP; 2014. http://www.rcplondon.ac.uk/sites/default/files/why-asthma-still-kills-full-report.pdf.
4. Chung KF, Wenzel SE, Brozek J, et al. International ERS/ATS guidelines on definition, evaluation and treatment of severe asthma. European Respiratory Journal. 2014;2014(43):343-73.
5. Thomas M, Bruton A. Breathing exercises for asthma. Breathe. 2014;2014(10):312-22.
6. Santino TA, Chaves GS, Freitas D, et al. Breathing exercises for adults with asthma. Cochrane Database Systematic Review. 2020;2020(3):1465.
7. Barker NJ, Jones M, O’Connell N, Everard ML. Breathing Exercises for Dysfunctional Breathing/Hyperventilation Syndrome in Children. Cochrane Database Systematic Review. 2013;2013(12):CD010376.
8. Pushpa K, Sharma D. Yoga as a complementary therapy improves pulmonary functions in patients of bronchial asthma: A randomized controlled trial. National Journal of Physiology, Pharmacy, and Pharmacology. 2018;8(12):1704-8.
9. Agarwal D, Gupta PP, Sood S. Assessment for Efficacy of Additional Breathing Exercises Over Improvement in Health Impairment Due to Asthma Assessed using St. George's Respiratory Questionnaire. International Journal of Yoga. 2017;10(3):145-51.
10. Sodhi C, Singh S, Dandona P. A study of the effect of yoga training on pulmonary functions in patients with bronchial asthma. Indian Journal of Physiology and Pharmacology. 2009;2009(53):169-74.
11. Sodhi C, Singh S, Bery A. Assessment of the Quality of Life in Patients With Bronchial Asthma, Before and After Yoga: A Randomised Trial. Iranian Journal of Allergy Asthma and Immunology. 2014;13(1):55-60.
12. Bruton A, Lewith G. The Buteyko breathing technique for asthma: A review. Complement Therapies in Medicine. 2005;13(1):41-6.
13. Burgess J, Buddhini E, Lowe A, et al. Systematic review of the effectiveness of breathing retraining in asthma management. Expert Review of Respiratory Medicine. 2011;5(6):789-807.