PubMed:32167524 / 1234-1239
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T209","span":{"begin":0,"end":5},"obj":"DT"}],"text":"those"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok231","span":{"begin":0,"end":5},"obj":"DT"}],"text":"those"}