PubMed:19394258 / 949-960 JSONTXT

{"project":"LitCoin-GeneOrGeneProduct-v0","denotations":[{"id":"T29","span":{"begin":0,"end":11},"obj":"GeneOrGeneProduct"}],"text":"amino acids"}

{"project":"LitCoin-GeneOrGeneProduct-v2","denotations":[{"id":"T17","span":{"begin":0,"end":11},"obj":"GeneOrGeneProduct"}],"text":"amino acids"}