Meta-Analysis
Copyright ©The Author(s) 2023.
World J Clin Cases. May 6, 2023; 11(13): 2981-2991
Published online May 6, 2023. doi: 10.12998/wjcc.v11.i13.2981
Figure 1
Figure 1 Flowchart of literature search. After the initial search, 311 articles were selected. After a review of abstracts and full-text articles, only six trials met the inclusion criteria. CNKI: Chinese National Knowledge Infrastructure; IMT: Inspiratory muscle training.