PubMed:32141569 / 1415-1418
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T235","span":{"begin":0,"end":3},"obj":"MD"}],"text":"may"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok268","span":{"begin":0,"end":3},"obj":"MD"}],"text":"may"}