PubMed:32149769 / 2140-2141
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T334","span":{"begin":0,"end":1},"obj":"NN"}],"text":"h"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok446","span":{"begin":0,"end":1},"obj":"NN"}],"text":"h"}