PubMed:32131906 / 847-851
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T151","span":{"begin":0,"end":4},"obj":"VB"}],"text":"help"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok164","span":{"begin":0,"end":4},"obj":"VB"},{"id":"event5","span":{"begin":0,"end":4},"obj":"OCCURRENCE"}],"text":"help"}