PubMed:32176772 / 1263-1276
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T273","span":{"begin":0,"end":13},"obj":"NNS"}],"text":"comorbidities"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok318","span":{"begin":0,"end":13},"obj":"NNS"}],"text":"comorbidities"}