PubMed:32134681 / 2459-2460
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T491","span":{"begin":0,"end":1},"obj":"-LRB-"}],"text":"("}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok585","span":{"begin":0,"end":1},"obj":"("}],"text":"("}