PubMed:19365571 / 858-871 JSONTXT

{"project":"LitCoin-GeneOrGeneProduct-v0","denotations":[{"id":"T19","span":{"begin":0,"end":13},"obj":"GeneOrGeneProduct"}],"text":"extracellular"}

{"project":"LitCoin-GeneOrGeneProduct-v2","denotations":[{"id":"T12","span":{"begin":0,"end":13},"obj":"GeneOrGeneProduct"}],"text":"extracellular"}