PMC:340383 / 79-103 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T228","span":{"begin":0,"end":10},"obj":"sentence"},{"id":"T229","span":{"begin":0,"end":10},"obj":"NN"},{"id":"T231","span":{"begin":11,"end":13},"obj":"PRP"},{"id":"T233","span":{"begin":14,"end":18},"obj":"VBP"}],"text":"Background\nWe have recen"}