PubMed:21238926 / 66-72 JSONTXT

{"project":"LitCoin-GeneOrGeneProduct-v0","denotations":[{"id":"T3","span":{"begin":0,"end":6},"obj":"GeneOrGeneProduct"}],"text":"switch"}

{"project":"LitCoin-GeneOrGeneProduct-v2","denotations":[{"id":"T3","span":{"begin":0,"end":6},"obj":"GeneOrGeneProduct"}],"text":"switch"}