PubMed:10037751 / 695-707 JSONTXT

{"project":"jnlpba-st-training","denotations":[{"id":"T19","span":{"begin":0,"end":12},"obj":"DNA"}],"text":"first intron"}

{"project":"GENIAcorpus","denotations":[{"id":"T20","span":{"begin":0,"end":12},"obj":"DNA_domain_or_region"}],"text":"first intron"}