PMC:7143804 / 53601-53621
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T462","span":{"begin":0,"end":20},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"110 1754 250 2539"}