PMC:1084331 / 1861-1872 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T1611","span":{"begin":2,"end":11},"obj":"JJ"}],"text":"n essential"}

{"project":"biosemtest","denotations":[{"id":"T1100","span":{"begin":2,"end":11},"obj":"UMLS/C0205224"}],"text":"n essential"}