PubMed:32231171 / 468-478
Annnotations
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok77","span":{"begin":0,"end":10},"obj":"NNP"}],"text":"OBJECTIVES"}
LitCovid-PD-CLO
{"project":"LitCovid-PD-CLO","denotations":[{"id":"T3","span":{"begin":0,"end":10},"obj":"http://purl.obolibrary.org/obo/BFO_0000030"}],"text":"OBJECTIVES"}