PubMed:32141570 / 1966-1974
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T322","span":{"begin":0,"end":8},"obj":"IN"}],"text":"although"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok362","span":{"begin":0,"end":8},"obj":"IN"}],"text":"although"}