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PubMed:32171865 / 270-274
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T43","span":{"begin":0,"end":4},"obj":"DT"}],"text":"this"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok48","span":{"begin":0,"end":4},"obj":"DT"},{"id":"lookup7","span":{"begin":0,"end":4},"obj":"time_modifier"}],"text":"this"}