PubMed:32141570 / 1294-1298
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T205","span":{"begin":0,"end":4},"obj":"CD"}],"text":"2012"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok224","span":{"begin":0,"end":4},"obj":"CD"},{"id":"lookup24","span":{"begin":0,"end":4},"obj":"year"}],"text":"2012"}