PubMed:32062875 / 0-7
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T0","span":{"begin":0,"end":1},"obj":"-LRB-"}],"text":"[Retrac"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok1","span":{"begin":0,"end":1},"obj":"NN"}],"text":"[Retrac"}