PMC:7796291 / 12464-12589
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T111","span":{"begin":0,"end":125},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The 3D images of layer constructions for those respirators were analyzed by the X-ray computed tomography (Xμ-CT) (Figure 1)."}