PubMed:32056407 / 399-406
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T62","span":{"begin":0,"end":7},"obj":"VBN"}],"text":"visited"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok72","span":{"begin":0,"end":7},"obj":"VBD"},{"id":"event2","span":{"begin":0,"end":7},"obj":"OCCURRENCE"}],"text":"visited"}