PubMed:32007643 / 74-82
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T10","span":{"begin":3,"end":4},"obj":"-LRB-"}],"text":"us (2019"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok11","span":{"begin":3,"end":4},"obj":"("},{"id":"tok12","span":{"begin":4,"end":8},"obj":"CD"},{"id":"lookup1","span":{"begin":4,"end":8},"obj":"year"}],"text":"us (2019"}