PubMed:32062957 / 6-27
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T2","span":{"begin":4,"end":19},"obj":"NNS"}],"text":"cal characteristics o"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok3","span":{"begin":4,"end":19},"obj":"NNS"}],"text":"cal characteristics o"}