References 2018 Special Edition
Murray, Michael T. "Asthma." In Textbook of Natural Medicine (4th Ed) 2013. by Joseph E. Pizzorno & Michael T. Murray (Editors), Chapter 147, p. 1210. Elsevier: St. Louis, MO.
NDNR.com: Naturopathic Doctor News & Review online resources:
European Respiratory Society. "Deep Breathing Exercises for Asthma." Accessed 18 Feb 2018:http://breathe.ersjournals.com/content/10/4/312
American Association of Naturopathic Physicians. "A Holistic Approach to the Treatment of Asthma." Post by Noe, B. Accessed 25 Jan 2018: https://www.naturopathic.org/content.asp?contentid=495
Thomas, M, McKinley, R, Freeman, E, Foy, C, Prodger, P, and Price, D. n.d. Breathing retraining for dysfunctional breathing in asthma: a randomised controlled trial. BMJ Group. Accessed 16 Feb 2018: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2971640/
Asthma.net http://www.asthma.net
PubMed Health Online. "Asthma" https://www.ncbi.nlm.nih.gov/pubmedhealth/PMHT0015659/