PMC:7796291 / 13064-13326
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{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/7796291","sourcedb":"PMC","sourceid":"7796291","source_url":"https://www.ncbi.nlm.nih.gov/pmc/7796291","text":" thickness of each layer of the respirators was measured firsthand with a thickness gauge applying a pressure of 2.4 N, and is presented in Figure 1C,F. It is noted that the measurements by the gauge were smaller than those estimated from the specific locations ","tracks":[]}