PubMed:31996494 / 206-209
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T39","span":{"begin":0,"end":1},"obj":"-RRB-"}],"text":") i"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok49","span":{"begin":0,"end":1},"obj":")"}],"text":") i"}