PubMed:31996494 / 185-187
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T35","span":{"begin":0,"end":1},"obj":"-LRB-"}],"text":"(d"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok45","span":{"begin":0,"end":1},"obj":"("}],"text":"(d"}