PubMed:21684788 / 258-264 JSONTXT

{"project":"LitCoin-GeneOrGeneProduct-v0","denotations":[{"id":"T9","span":{"begin":0,"end":6},"obj":"GeneOrGeneProduct"}],"text":"enzyme"}

{"project":"LitCoin-GeneOrGeneProduct-v2","denotations":[{"id":"T7","span":{"begin":0,"end":6},"obj":"GeneOrGeneProduct"}],"text":"enzyme"}