PMC:7195088 / 39640-39722 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T300","span":{"begin":0,"end":82},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"However, no clear indications/criteria can be provided pending further experience."}