PubMed:18808529 / 1091-1097 JSONTXT

{"project":"LitCoin-GeneOrGeneProduct-v2","denotations":[{"id":"T14","span":{"begin":0,"end":6},"obj":"GeneOrGeneProduct"}],"text":"matrix"}

{"project":"LitCoin-GeneOrGeneProduct-v0","denotations":[{"id":"T21","span":{"begin":0,"end":6},"obj":"GeneOrGeneProduct"}],"text":"matrix"}