PubMed:20854438 / 1218-1228 JSONTXT

{"project":"LitCoin-GeneOrGeneProduct-v0","denotations":[{"id":"T37","span":{"begin":0,"end":10},"obj":"GeneOrGeneProduct"}],"text":"amino acid"}

{"project":"LitCoin-GeneOrGeneProduct-v2","denotations":[{"id":"T24","span":{"begin":0,"end":10},"obj":"GeneOrGeneProduct"}],"text":"amino acid"}