PubMed:32171865 / 1650-1651
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T324","span":{"begin":0,"end":1},"obj":"NN"}],"text":"P"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok367","span":{"begin":0,"end":1},"obj":"NN"}],"text":"P"}