PMC:7795931 / 14508-14516
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T86","span":{"begin":0,"end":8},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Stage i."}