PMC:7443692 / 49418-49515 JSONTXT

{"project":"LitCovid-sample-sentences","denotations":[{"id":"T335","span":{"begin":0,"end":97},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Negative stain electron microscopy (EM) analysis was performed as described (Shaik et al., 2019)."}

{"project":"2_test","denotations":[{"id":"32841605-30542158-19659550","span":{"begin":91,"end":95},"obj":"30542158"}],"text":"Negative stain electron microscopy (EM) analysis was performed as described (Shaik et al., 2019)."}