PubMed:21684788 / 321-325 JSONTXT

{"project":"LitCoin-GeneOrGeneProduct-v0","denotations":[{"id":"T12","span":{"begin":0,"end":4},"obj":"GeneOrGeneProduct"}],"text":"acid"}

{"project":"LitCoin-GeneOrGeneProduct-v2","denotations":[{"id":"T8","span":{"begin":0,"end":4},"obj":"GeneOrGeneProduct"}],"text":"acid"}