PubMed:8755918 / 661-668 JSONTXT

{"project":"LitCoin-GeneOrGeneProduct-v0","denotations":[{"id":"T16","span":{"begin":0,"end":7},"obj":"GeneOrGeneProduct"}],"text":"product"}

{"project":"LitCoin-GeneOrGeneProduct-v2","denotations":[{"id":"T4","span":{"begin":0,"end":7},"obj":"GeneOrGeneProduct"}],"text":"product"}