PubMed:32171193 / 193-198
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T29","span":{"begin":1,"end":4},"obj":"MD"}],"text":" may "}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok36","span":{"begin":1,"end":4},"obj":"MD"}],"text":" may "}