PubMed:31991628 / 14-26
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T3","span":{"begin":0,"end":12},"obj":"NN"}],"text":"Transmission"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok4","span":{"begin":0,"end":12},"obj":"NNP"}],"text":"Transmission"}