PubMed:23069675 / 108-113 JSONTXT

{"project":"LitCoin-GeneOrGeneProduct-v0","denotations":[{"id":"T4","span":{"begin":0,"end":5},"obj":"GeneOrGeneProduct"}],"text":"brain"}

{"project":"LitCoin-GeneOrGeneProduct-v2","denotations":[{"id":"T3","span":{"begin":0,"end":5},"obj":"GeneOrGeneProduct"}],"text":"brain"}