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Methodological issues in meta-analysis of the metformin effects on simple obesity

  • Simiao TianEmail author
Letter to the Editor



This study was funded by China Postdoctoral Science Foundation (grant number: 2018M631780).

Compliance with ethical standards

Conflict of interest

The author declares that he has no conflict of interest.


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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of Scientific Research ProjectAffiliated Zhongshan Hospital of Dalian UniversityDalianPeople’s Republic of China

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