Physiotherapy breathing retraining for asthma: a randomised controlled trial.
Lancet Respir Med. 2018 Jan;6(1):19-28. doi: 10.1016/S2213-2600(17)30474-5. Epub 2017 Dec 14.
Lancet Respir Med. 2018.
PMID: 29248433
Free PMC article.
Clinical Trial.