PubMed:32049687 / 792-795
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T142","span":{"begin":0,"end":3},"obj":"MD"}],"text":"may"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok161","span":{"begin":0,"end":3},"obj":"MD"}],"text":"may"}