PubMed:32096367 / 238-245
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T39","span":{"begin":1,"end":6},"obj":"NNP"}],"text":" First "}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok46","span":{"begin":1,"end":6},"obj":"CD"},{"id":"lookup7","span":{"begin":1,"end":6},"obj":"stop"}],"text":" First "}