PMC:1584416 / 13267-13275 JSONTXT

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{"project":"craft-ca-core-dev","denotations":[{"id":"T1843","span":{"begin":0,"end":8},"obj":"_FRAGMENT"}],"text":"layer of"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T1936","span":{"begin":0,"end":8},"obj":"_FRAGMENT"}],"text":"layer of"}