PMC:1087847 / 4611-4616 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T2315","span":{"begin":0,"end":5},"obj":"NN"}],"text":"C57BL"}

{"project":"biosemtest","denotations":[{"id":"T1817","span":{"begin":0,"end":5},"obj":"UMLS/C0025921"}],"text":"C57BL"}