PubMed:32147628 / 402-408
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T64","span":{"begin":0,"end":6},"obj":"NN"}],"text":"safety"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok70","span":{"begin":0,"end":6},"obj":"NN"}],"text":"safety"}