Reviewer’s report
Title: 
Breast conserving surgery using oxidized regenerated cellulose as filling
biomaterial:  recommendations to improve clinical outcomes.
Version: 
1 
Date: 
13 Jun 2021
Reviewer's report:
I think that this letter is valuable to be accepted to this journal as letter to editor.
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Is the study design appropriate to answer the research question (including the use
of appropriate controls), and are the conclusions supported by the evidence
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