PubMed:20801540 / 803-814 JSONTXT

{"project":"LitCoin-GeneOrGeneProduct-v0","denotations":[{"id":"T26","span":{"begin":0,"end":11},"obj":"GeneOrGeneProduct"}],"text":"amino acids"}

{"project":"LitCoin-GeneOrGeneProduct-v2","denotations":[{"id":"T15","span":{"begin":0,"end":11},"obj":"GeneOrGeneProduct"}],"text":"amino acids"}