PubMed:32023680 / 682-689
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T108","span":{"begin":0,"end":7},"obj":"VB"}],"text":"protect"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok117","span":{"begin":0,"end":7},"obj":"VB"},{"id":"event4","span":{"begin":0,"end":7},"obj":"OCCURRENCE"}],"text":"protect"}