PubMed:19445921 / 191-195 JSONTXT

{"project":"LitCoin-GeneOrGeneProduct-v0","denotations":[{"id":"T3","span":{"begin":0,"end":4},"obj":"GeneOrGeneProduct"}],"text":"acid"}

{"project":"LitCoin-GeneOrGeneProduct-v2","denotations":[{"id":"T2","span":{"begin":0,"end":4},"obj":"GeneOrGeneProduct"}],"text":"acid"}