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Correction to: Severity distribution and treatment of chronic obstructive pulmonary disease in China: baseline results of an observational study

The Original Article was published on 29 April 2022

Correction to: Respiratory Research (2022) 23:106 https://doi.org/10.1186/s12931-022-02021-w

Following the publication of the original article [1], the authors identified errors in the study enrolment dates in the Abstract and Results sections. The dates “15 December 2017 and 6 August 2020” should be corrected to “30 June 2017 and 29 January 2019”.

The original article has been corrected.

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  1. Yang T, Cai B, Cao B, Kang J, Wen F, Chen Y, Jian W, Shang H, Wang C. Severity distribution and treatment of chronic obstructive pulmonary disease in China: baseline results of an observational study. Respir Res. 2022;23:106. https://doi.org/10.1186/s12931-022-02021-w.

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Correspondence to Chen Wang.

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Yang, T., Cai, B., Cao, B. et al. Correction to: Severity distribution and treatment of chronic obstructive pulmonary disease in China: baseline results of an observational study. Respir Res 23, 159 (2022). https://doi.org/10.1186/s12931-022-02068-9

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  • DOI: https://doi.org/10.1186/s12931-022-02068-9