scholarly journals Challenges of undertaking a clinical trial using bubble-PEP in an acute exacerbation of chronic obstructive pulmonary disease: A feasibility study

2016 ◽  
Vol 44 (1) ◽  
pp. 8-16 ◽  
Author(s):  
Brigitte Eastwood ◽  
Nicola Jepsen ◽  
Katie Coulter ◽  
Conroy Wong ◽  
Irene Zeng
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