PubMed:32108351 / 177-185
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T23","span":{"begin":4,"end":6},"obj":"IN"}],"text":"ion of t"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok28","span":{"begin":4,"end":6},"obj":"IN"}],"text":"ion of t"}