PMC:441373 / 169-181 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T199","span":{"begin":0,"end":7},"obj":"JJ"},{"id":"T201","span":{"begin":8,"end":12},"obj":"NN"}],"text":"ancient gene"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T107","span":{"begin":8,"end":12},"obj":"SO_EXT:0000704"}],"text":"ancient gene"}

{"project":"craft-ca-core-dev","denotations":[{"id":"T66","span":{"begin":8,"end":12},"obj":"SO:0000704"}],"text":"ancient gene"}