PMC:7045878 / 386-451
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T6","span":{"begin":14,"end":21},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"his disease.\n\nMethods\nThe epidemiological characteristics and ear"}