PMC:7048229 / 5037-5076 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T53","span":{"begin":0,"end":39},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Amplification was performed as follows:"}