Experimental Assessment of Carbon Dioxide Content in Inhaled Air With or Without Face Masks in Healthy Children: A Randomized Clinical Trial.

Walach, Harald; Weikl, Ronald; Prentice, Juliane; Diemer, Andreas; Traindl, Helmut; Kappes, Anna; Hockertz, Stefan · JAMA Pediatr · 2021

rct · Level II

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Record sourced from PubMed, PMID 34190984.
Also identified by DOI 10.1001/jamapediatrics.2021.2659 and PMC identifier 8246331.
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This randomized clinical trial measured inhaled and exhaled carbon dioxide in children with and without face masks.