PubMed:23791840 / 796-803 JSONTXT

{"project":"LitCoin-GeneOrGeneProduct-v0","denotations":[{"id":"T40","span":{"begin":0,"end":7},"obj":"GeneOrGeneProduct"}],"text":"protein"}

{"project":"LitCoin-GeneOrGeneProduct-v2","denotations":[{"id":"T26","span":{"begin":0,"end":7},"obj":"GeneOrGeneProduct"}],"text":"protein"}