PMC:7080117 / 11341-11351
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T132","span":{"begin":0,"end":10},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":" 2 4 (4%)"}