PubMed:32074786 / 1054-1064
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T165","span":{"begin":0,"end":10},"obj":"NNS"}],"text":"procedures"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok176","span":{"begin":0,"end":10},"obj":"NNS"}],"text":"procedures"}