Ekstrand, Kenneth Albert.2009-03-202009-03-2019881988Source: Dissertation Abstracts International, Volume: 62-13, Section: A.9780315467477http://hdl.handle.net/10393/5442http://dx.doi.org/10.20381/ruor-10758Engineering, General.The effects of a diaphragmatic breathing exercise program on some psychological, behavioural, and biomedical variables in asthmatics.Thesis