PMC:441373 / 170-182 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T201","span":{"begin":7,"end":11},"obj":"NN"}],"text":"ncient gene "}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T107","span":{"begin":7,"end":11},"obj":"SO_EXT:0000704"}],"text":"ncient gene "}

{"project":"craft-ca-core-dev","denotations":[{"id":"T66","span":{"begin":7,"end":11},"obj":"SO:0000704"}],"text":"ncient gene "}