PubMed:21325775 / 1036-1046 JSONTXT

{"project":"LitCoin-GeneOrGeneProduct-v0","denotations":[{"id":"T31","span":{"begin":0,"end":10},"obj":"GeneOrGeneProduct"}],"text":"polymerase"}

{"project":"LitCoin-GeneOrGeneProduct-v2","denotations":[{"id":"T19","span":{"begin":0,"end":10},"obj":"GeneOrGeneProduct"}],"text":"polymerase"}