PMC:7536950 / 696-702
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T9","span":{"begin":0,"end":6},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"5 , 6"}