PubMed:32176772 / 80-88
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T14","span":{"begin":7,"end":8},"obj":"-COLON-"}],"text":"KGROUND:"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok16","span":{"begin":7,"end":8},"obj":":"}],"text":"KGROUND:"}