PubMed:32150618 / 1351-1360 JSONTXT

{"project":"LitCovid-PAS-Enju","denotations":[{"id":"EnjuParser_T194","span":{"begin":0,"end":9},"obj":"NN"}],"text":"EC50=0.72"}

{"project":"LitCovid-TimeML","denotations":[{"id":"tok209","span":{"begin":0,"end":2},"obj":"NNP"},{"id":"tok210","span":{"begin":2,"end":4},"obj":"CD"},{"id":"tok211","span":{"begin":4,"end":5},"obj":"SYM"},{"id":"tok212","span":{"begin":5,"end":6},"obj":"CD"},{"id":"tok213","span":{"begin":6,"end":7},"obj":"."},{"id":"tok214","span":{"begin":7,"end":9},"obj":"CD"},{"id":"lookup23","span":{"begin":0,"end":2},"obj":"organization"}],"text":"EC50=0.72"}