PubMed:17221831 / 808-818 JSONTXT

{"project":"LitCoin-GeneOrGeneProduct-v0","denotations":[{"id":"T12","span":{"begin":0,"end":10},"obj":"GeneOrGeneProduct"}],"text":"amino acid"}

{"project":"LitCoin-GeneOrGeneProduct-v2","denotations":[{"id":"T8","span":{"begin":0,"end":10},"obj":"GeneOrGeneProduct"}],"text":"amino acid"}