PubMed:31992388 / 172-180
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T26","span":{"begin":0,"end":1},"obj":"-RRB-"}],"text":") causin"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok30","span":{"begin":0,"end":1},"obj":")"}],"text":") causin"}