PMC:7796291 / 28166-28264
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T224","span":{"begin":0,"end":98},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Microscopic and FE-SEM images of filter webs from respirators after various treatments; Figure S4."}