PubMed:20143913 / 553-563 JSONTXT

{"project":"LitCoin-GeneOrGeneProduct-v0","denotations":[{"id":"T17","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"}