PubMed:32149769 / 1379-1384
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T202","span":{"begin":0,"end":5},"obj":"NN"}],"text":"spike"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok255","span":{"begin":0,"end":5},"obj":"NN"}],"text":"spike"}