HIGHLIGHTS
- who: Zhaoning Xu from the School of Nursing and Rehabilitation, Shandong University, Jinan, Shandong, China have published the research work: Efficacy and safety of long-term use of a positive expiratory pressure device in chronic obstructive pulmonary disease patients, a randomized controlled trial, in the Journal: (JOURNAL)
- what: The aim of this study was to evaluate the efficacy and safety of long-term domiciliary use of PEP device in subjects with COPD. The major findings of this study are as follows: Patients in the intervention group showed significant improvement in exercise tolerance after one month . . .

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