PubMed:15191352 / 96-110 JSONTXT

{"project":"LitCoin-GeneOrGeneProduct-v0","denotations":[{"id":"T4","span":{"begin":1,"end":9},"obj":"GeneOrGeneProduct"}],"text":" receptor gene"}

{"project":"LitCoin-GeneOrGeneProduct-v2","denotations":[{"id":"T2","span":{"begin":1,"end":9},"obj":"GeneOrGeneProduct"}],"text":" receptor gene"}