PubMed:19234905 / 136-142 JSONTXT

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

{"project":"LitCoin-GeneOrGeneProduct-v2","denotations":[{"id":"T1","span":{"begin":0,"end":6},"obj":"GeneOrGeneProduct"}],"text":"double"}