PubMed:32156607 / 132-143
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T25","span":{"begin":7,"end":8},"obj":"-COLON-"}],"text":"KGROUND: Th"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok28","span":{"begin":7,"end":8},"obj":":"}],"text":"KGROUND: Th"}