PubMed:32150618 / 62-71
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T9","span":{"begin":1,"end":7},"obj":"NNP"}],"text":" Design o"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok10","span":{"begin":1,"end":7},"obj":"NNP"},{"id":"lookup2","span":{"begin":1,"end":7},"obj":"org_key"}],"text":" Design o"}