PubMed:7706235 / 63-87 JSONTXT

{"project":"jnlpba-st-training","denotations":[{"id":"T2","span":{"begin":4,"end":24},"obj":"DNA"}],"text":"The protooncogene p21ras"}

{"project":"genia-medco-coref","denotations":[{"id":"C4","span":{"begin":0,"end":24},"obj":"NP"}],"text":"The protooncogene p21ras"}

{"project":"GENIAcorpus","denotations":[{"id":"T4","span":{"begin":4,"end":24},"obj":"DNA_domain_or_region"}],"text":"The protooncogene p21ras"}