PubMed:15198485 / 1065-1075 JSONTXT

{"project":"LitCoin-GeneOrGeneProduct-v0","denotations":[{"id":"T21","span":{"begin":0,"end":10},"obj":"GeneOrGeneProduct"}],"text":"amino acid"}

{"project":"LitCoin-GeneOrGeneProduct-v2","denotations":[{"id":"T18","span":{"begin":0,"end":10},"obj":"GeneOrGeneProduct"}],"text":"amino acid"}