PMC:7146662 / 4951-5044 JSONTXT

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{"project":"LitCovid-PD-GO-BP","denotations":[{"id":"T4","span":{"begin":18,"end":26},"obj":"http://purl.obolibrary.org/obo/GO_0015297"}],"text":"Two heat moisture exchange filters connected in series to the Buffalo Filter smoke evacuator."}