PubMed:32007643 / 910-912
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T163","span":{"begin":0,"end":2},"obj":"NN"}],"text":"SI"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok180","span":{"begin":0,"end":2},"obj":"NNP"}],"text":"SI"}