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Correction: Effect of YuPingFeng granules on clinical symptoms of stable COPD: study protocol for a multicenter, double-blind, and randomized controlled trial

Crossref DOI link: https://doi.org/10.1186/s12906-024-04369-6

Published Online: 2024-02-05

Update policy: https://doi.org/10.1007/springer_crossmark_policy

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