PMC:7784787 / 3091-3220
Annnotations
{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/7784787","sourcedb":"PMC","sourceid":"7784787","source_url":"https://www.ncbi.nlm.nih.gov/pmc/7784787","text":" our efforts to halt the spread of the virus [14–16]. One approach is to refine and improve face masks, both in terms of fabric a","tracks":[]}