PMC:7473770 / 45966-45982
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T371","span":{"begin":0,"end":16},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"9022 BO K 2020)."}