PMC:7205724 / 357-376
Annnotations
LitCovid-sample-Enju
{"project":"LitCovid-sample-Enju","denotations":[{"id":"T50","span":{"begin":1,"end":9},"obj":"JJ"},{"id":"T51","span":{"begin":10,"end":16},"obj":"NNS"}],"relations":[{"id":"R46","pred":"arg1Of","subj":"T51","obj":"T50"}],"text":" clinical trials ex"}