PubMed:20973483 / 173-181 JSONTXT

{"project":"LitCoin-GeneOrGeneProduct-v0","denotations":[{"id":"T5","span":{"begin":0,"end":8},"obj":"GeneOrGeneProduct"}],"text":"receptor"}

{"project":"LitCoin-GeneOrGeneProduct-v2","denotations":[{"id":"T2","span":{"begin":0,"end":8},"obj":"GeneOrGeneProduct"}],"text":"receptor"}