PubMed:32232218 / 65-80
Annnotations
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok10","span":{"begin":5,"end":7},"obj":"CD"},{"id":"tok11","span":{"begin":7,"end":8},"obj":":"},{"id":"tok12","span":{"begin":9,"end":10},"obj":"DT"}],"text":"OVID-19: a Syst"}