PubMed:32114745 / 682-684 JSONTXT

{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T115","span":{"begin":0,"end":2},"obj":"NN"}],"text":"/L"}

{"project":"LitCovid-TimeML","denotations":[{"id":"tok144","span":{"begin":0,"end":1},"obj":"NN"},{"id":"tok145","span":{"begin":1,"end":2},"obj":"NNP"}],"text":"/L"}

{"project":"MeasurableQuantitativeAnnotation","denotations":[{"id":"U2","span":{"begin":1,"end":2},"obj":"unit"}],"text":"/L"}