PubMed:18945288 / 1115-1119 JSONTXT

{"project":"LitCoin-GeneOrGeneProduct-v2","denotations":[{"id":"T7","span":{"begin":0,"end":4},"obj":"GeneOrGeneProduct"}],"text":"pain"}

{"project":"LitCoin-GeneOrGeneProduct-v0","denotations":[{"id":"T23","span":{"begin":0,"end":4},"obj":"GeneOrGeneProduct"}],"text":"pain"}