PMC:7195088 / 1013-1029
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T11","span":{"begin":9,"end":16},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":" topic.\n\nContent"}