PubMed:32023685 / 173-178
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T29","span":{"begin":0,"end":5},"obj":"WDT"}],"text":"which"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok33","span":{"begin":0,"end":5},"obj":"WDT"}],"text":"which"}