PubMed:32118640 / 3087-3094
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T514","span":{"begin":0,"end":7},"obj":"NN"}],"text":"smoking"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok701","span":{"begin":0,"end":7},"obj":"NN"}],"text":"smoking"}