
PubMed:32149773 / 1667-1672
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T265","span":{"begin":0,"end":5},"obj":"NN"}],"text":"visit"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok290","span":{"begin":0,"end":5},"obj":"NN"}],"text":"visit"}