PMC:7796291 / 16873-16996
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T143","span":{"begin":0,"end":123},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Thickness and porosity of filter webs after treatments showed little differences compared to the untreated webs (Table S1)."}