Please cite as:

Ni Y, Feng W, Cai W, Sun Y, Cao M, Chen J, Li J

Efficacy of Liuzijue in Improving Respiratory Muscle Dysfunction in Chronic Obstructive Pulmonary Disease: Protocol for a Randomized Controlled Trial

JMIR Res Protoc 2026;15:e91283

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The final, peer-reviewed published version of this preprint can be found here:

Ni Y, Feng W, Cai W, Sun Y, Cao M, Chen J, Li J

Efficacy of Liuzijue in Improving Respiratory Muscle Dysfunction in Chronic Obstructive Pulmonary Disease: Protocol for a Randomized Controlled Trial

JMIR Res Protoc 2026;15:e91283

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