PubMed:19536134 / 648-656 JSONTXT

{"project":"LitCoin-GeneOrGeneProduct-v0","denotations":[{"id":"T24","span":{"begin":0,"end":8},"obj":"GeneOrGeneProduct"}],"text":"receptor"}

{"project":"LitCoin-GeneOrGeneProduct-v2","denotations":[{"id":"T16","span":{"begin":0,"end":8},"obj":"GeneOrGeneProduct"}],"text":"receptor"}