PMC:7461420 / 102759-102770
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T927","span":{"begin":0,"end":11},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"NCT04431466"}