Is there randomized controlled trial evidence to support the use of breathing exercises in people with chronic obstructive pulmonary disease?
2020 ◽
Vol 120
(5)
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pp. 778-791.e1
2019 ◽
Vol Volume 14
◽
pp. 1239-1250
2016 ◽
Vol 13
(5)
◽
pp. 617-626
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