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Correction to: Calling for improved quality in the registration of traditional Chinese medicine during the public health emergency: a survey of trial registries for COVID-19, H1N1, and SARS

Crossref DOI link: https://doi.org/10.1186/s13063-021-05182-z

Published Online: 2021-04-07

Published Print: 2021-12

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

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