PMC:7307149 / 27777-27796
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T150","span":{"begin":0,"end":19},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Supplemental file 3"}