PubMed:32053389 / 50-57
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T9","span":{"begin":1,"end":4},"obj":"CC"}],"text":" and Pr"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok11","span":{"begin":1,"end":4},"obj":"CC"}],"text":" and Pr"}