PubMed:17177139 / 47-52 JSONTXT

{"project":"LitCoin-GeneOrGeneProduct-v2","denotations":[{"id":"T3","span":{"begin":1,"end":5},"obj":"GeneOrGeneProduct"}],"text":" beta"}

{"project":"LitCoin-GeneOrGeneProduct-v0","denotations":[{"id":"T4","span":{"begin":1,"end":5},"obj":"GeneOrGeneProduct"}],"text":" beta"}