PubMed:32052466 / 387-390
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T65","span":{"begin":0,"end":3},"obj":"IN"}],"text":"for"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok72","span":{"begin":0,"end":3},"obj":"IN"}],"text":"for"}