PMC:7143804 / 59259-59301 JSONTXT

{"project":"LitCovid-PD-UBERON","denotations":[{"id":"T23","span":{"begin":4,"end":9},"obj":"Body_part"}],"attributes":[{"id":"A23","pred":"uberon_id","subj":"T23","obj":"http://purl.obolibrary.org/obo/UBERON_0002542"}],"text":"The scale bars in the SEM images are 2 μm."}

{"project":"LitCovid-sentences","denotations":[{"id":"T534","span":{"begin":0,"end":42},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The scale bars in the SEM images are 2 μm."}