PubMed:20428796 / 991-998 JSONTXT

{"project":"LitCoin-GeneOrGeneProduct-v0","denotations":[{"id":"T24","span":{"begin":0,"end":7},"obj":"GeneOrGeneProduct"}],"text":"protein"}

{"project":"LitCoin-GeneOrGeneProduct-v2","denotations":[{"id":"T15","span":{"begin":0,"end":7},"obj":"GeneOrGeneProduct"}],"text":"protein"}