PMC:7650537 / 24050-24156 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T186","span":{"begin":0,"end":106},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"In the case of doubt, the implementation of the labor-intensive and time-consuming PRNT may be considered."}