PMC:7205724 / 25747-25768
Annnotations
LitCovid-sample-Enju
{"project":"LitCovid-sample-Enju","denotations":[{"id":"T50188","span":{"begin":6,"end":8},"obj":"IN"},{"id":"T80686","span":{"begin":9,"end":19},"obj":"NN"}],"text":"iffer in laboratory p"}