PubMed:21080147 / 946-956 JSONTXT

{"project":"LitCoin-GeneOrGeneProduct-v0","denotations":[{"id":"T26","span":{"begin":0,"end":10},"obj":"GeneOrGeneProduct"}],"text":"amino acid"}

{"project":"LitCoin-GeneOrGeneProduct-v2","denotations":[{"id":"T16","span":{"begin":0,"end":10},"obj":"GeneOrGeneProduct"}],"text":"amino acid"}