PubMed:32006657 / 111-114
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T21","span":{"begin":2,"end":3},"obj":"-COLON-"}],"text":"? -"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok25","span":{"begin":0,"end":1},"obj":"."},{"id":"tok26","span":{"begin":2,"end":3},"obj":":"}],"text":"? -"}