The effects of respiratory training for chronic obstructive pulmonary disease patients: a randomised clinical trial
2012 ◽
Vol 21
(19pt20)
◽
pp. 2870-2878
◽
2014 ◽
Vol 23
(21-22)
◽
pp. 3124-3137
◽
2013 ◽
Vol 18
(8)
◽
pp. 398-403
◽