PubMed:20523265 / 825-835 JSONTXT

{"project":"LitCoin-GeneOrGeneProduct-v0","denotations":[{"id":"T14","span":{"begin":0,"end":10},"obj":"GeneOrGeneProduct"}],"text":"polymerase"}

{"project":"LitCoin-GeneOrGeneProduct-v2","denotations":[{"id":"T7","span":{"begin":0,"end":10},"obj":"GeneOrGeneProduct"}],"text":"polymerase"}