Evaluation of Protection Level, Respiratory Safety, and Practical Aspects of Commercially Available Snorkel Masks as Personal Protection Devices Against Aerosolized Contaminants and SARS-CoV2.

Int J Environ Res Public Health · 2020 · PMC7345301 · PMID 32575366

Europe PMC DOI

hedged sentence

—

closest p

—

boldest claim

The sentences

may be significantno p-value reported

The design of all of these masks is roughly similar, however, some differences may be significant. 4.1.

also in 13,097 other papers

Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.