PubMed:15814629 / 0-31 JSONTXT

{"project":"LitCoin-GeneOrGeneProduct-v0","denotations":[{"id":"T1","span":{"begin":14,"end":19},"obj":"GeneOrGeneProduct"},{"id":"T2","span":{"begin":20,"end":24},"obj":"GeneOrGeneProduct"}],"text":"The number of lymph node metast"}