PubMed:15241482 / 58-64 JSONTXT

{"project":"LitCoin-GeneOrGeneProduct-v0","denotations":[{"id":"T2","span":{"begin":0,"end":6},"obj":"GeneOrGeneProduct"}],"text":"enzyme"}

{"project":"LitCoin-GeneOrGeneProduct-v2","denotations":[{"id":"T2","span":{"begin":0,"end":6},"obj":"GeneOrGeneProduct"}],"text":"enzyme"}