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Effects of different modalities of inspiratory muscle training as an add-on to conventional treatment of patients with chronic obstructive pulmonary disease (COPD): study protocol for a randomized controlled trial.
de Farias CAC, Gualdi LP, da Silva SB, Parreira VF, Montemezzo D, Resqueti VR, Fregonezi GAF. de Farias CAC, et al. Among authors: gualdi lp. Trials. 2019 Apr 24;20(1):231. doi: 10.1186/s13063-019-3271-1. Trials. 2019. PMID: 31014365 Free PMC article.
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