
PubMed:32227494 / 95-105
Annnotations
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok19","span":{"begin":5,"end":9},"obj":"CD"},{"id":"tok20","span":{"begin":9,"end":10},"obj":","},{"id":"lookup4","span":{"begin":5,"end":9},"obj":"year"}],"text":"mber 2019,"}