PubMed:32023687 / 55-62
Annnotations
LitCovid-PAS-Enju
{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T8","span":{"begin":2,"end":4},"obj":"NN"}],"text":"f 4S fo"}
LitCovid-PubTatorCentral
{"project":"LitCovid-PubTatorCentral","denotations":[{"id":"T1","span":{"begin":2,"end":4},"obj":"Chemical:MESH:D013455"}],"text":"f 4S fo"}
LitCovid-TimeML
{"project":"LitCovid-TimeML","denotations":[{"id":"tok9","span":{"begin":2,"end":3},"obj":"CD"},{"id":"tok10","span":{"begin":3,"end":4},"obj":"NNP"}],"text":"f 4S fo"}