PubMed:32034659 / 523-531
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T96","span":{"begin":0,"end":8},"obj":"NNS"}],"text":"17 years"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok106","span":{"begin":0,"end":2},"obj":"CD"},{"id":"tok107","span":{"begin":3,"end":8},"obj":"NNS"},{"id":"lookup19","span":{"begin":3,"end":8},"obj":"date_unit"}],"text":"17 years"}