PubMed:32164400 / 75-85
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T11","span":{"begin":8,"end":9},"obj":"-COLON-"}],"text":"bjective: "}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok14","span":{"begin":8,"end":9},"obj":":"}],"text":"bjective: "}