PubMed:32023681 / 332-341
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T54","span":{"begin":0,"end":9},"obj":"NN"}],"text":"shortness"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok62","span":{"begin":0,"end":9},"obj":"NNS"}],"text":"shortness"}