PMC:7796291 / 32593-32665
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T265","span":{"begin":0,"end":72},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Small decrease in particle filtration efficiency (up to 1.25%) NA [16]"}