PubMed:31996494 / 261-274
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T51","span":{"begin":2,"end":11},"obj":"NN"}],"text":"l treatment f"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok62","span":{"begin":2,"end":11},"obj":"NN"}],"text":"l treatment f"}