PubMed:32050635 / 231-236
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T38","span":{"begin":0,"end":5},"obj":"NN"}],"text":"cause"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok42","span":{"begin":0,"end":5},"obj":"NN"}],"text":"cause"}