PubMed:32106216 / 800-813
Annnotations
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok158","span":{"begin":0,"end":6},"obj":"NNP"},{"id":"tok159","span":{"begin":7,"end":13},"obj":"NNPS"},{"id":"lookup33","span":{"begin":0,"end":13},"obj":"location"}],"text":"United States"}