PubMed:32239591 / 796-815
Annnotations
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok150","span":{"begin":0,"end":3},"obj":"VBD"},{"id":"tok151","span":{"begin":4,"end":12},"obj":"VBD"},{"id":"tok152","span":{"begin":13,"end":19},"obj":"NNS"},{"id":"event8","span":{"begin":4,"end":12},"obj":"OCCURRENCE"},{"id":"event14","span":{"begin":0,"end":19},"obj":"STATE"}],"text":"had elevated levels"}