PubMed:20854438 / 1620-1627 JSONTXT

{"project":"LitCoin-GeneOrGeneProduct-v0","denotations":[{"id":"T53","span":{"begin":0,"end":7},"obj":"GeneOrGeneProduct"}],"text":"protein"}

{"project":"LitCoin-GeneOrGeneProduct-v2","denotations":[{"id":"T33","span":{"begin":0,"end":7},"obj":"GeneOrGeneProduct"}],"text":"protein"}