PMC:7589163 / 5066-5075
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T37","span":{"begin":2,"end":4},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"\n\n2. The "}