PubMed:15000256 / 1042-1049 JSONTXT

{"project":"LitCoin-GeneOrGeneProduct-v0","denotations":[{"id":"T30","span":{"begin":0,"end":7},"obj":"GeneOrGeneProduct"}],"text":"protein"}

{"project":"LitCoin-GeneOrGeneProduct-v2","denotations":[{"id":"T17","span":{"begin":0,"end":7},"obj":"GeneOrGeneProduct"}],"text":"protein"}