PMC:7146662 / 4488-4715 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T42","span":{"begin":129,"end":132},"obj":"http://purl.obolibrary.org/obo/CLO_0051582"}],"text":" system is to attempt maximum efficiency in filtering viral particles. According to the respective manufacturers, Buffalo Filter has 4 stages of filtration that reportedly ensure 99.999% efficiency, down to 0.1 to 0.2 microns, "}

{"project":"LitCovid-PMC-OGER-BB","denotations":[{"id":"T30","span":{"begin":54,"end":59},"obj":"NCBITaxon:10239"},{"id":"T74133","span":{"begin":54,"end":59},"obj":"NCBITaxon:10239"}],"text":" system is to attempt maximum efficiency in filtering viral particles. According to the respective manufacturers, Buffalo Filter has 4 stages of filtration that reportedly ensure 99.999% efficiency, down to 0.1 to 0.2 microns, "}