PubMed:19101703 / 300-307 JSONTXT

{"project":"LitCoin-GeneOrGeneProduct-v2","denotations":[{"id":"T7","span":{"begin":0,"end":7},"obj":"GeneOrGeneProduct"}],"text":"protein"}

{"project":"LitCoin-GeneOrGeneProduct-v0","denotations":[{"id":"T8","span":{"begin":0,"end":7},"obj":"GeneOrGeneProduct"}],"text":"protein"}