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Invited Discussion on “Comparison of Effectiveness and Safety of a Botulinum Toxin Mono Therapy and a Combination Therapy with Hyaluronic Acid Filler for Improving Glabellar Frown”

Crossref DOI link: https://doi.org/10.1007/s00266-022-02927-2

Published Online: 2022-05-24

Published Print: 2022-08

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

Authors

Hodgkinson, Darryl J. https://orcid.org/0000-0001-8701-9190
Kappen, Isabelle F. P. M.
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Text and Data Mining valid from 2022-05-24

Version of Record valid from 2022-05-24
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Article History

Received: 26 April 2022

Accepted: 28 April 2022

First Online: 24 May 2022

Declarations

:

: The authors declare that they have no conflicts of interest to disclose.

: This article does not contain any studies with human participants or animals performed by any of the authors.

: For this type of study, informed consent is not required.

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