PMC:7536913 / 8680-8681
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T58","span":{"begin":0,"end":1},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"9"}