PubMed:7903907 / 997-1013 JSONTXT

{"project":"jnlpba-st-training","denotations":[{"id":"T11","span":{"begin":0,"end":7},"obj":"cell_type"}],"text":"NK cell activity"}

{"project":"genia-medco-coref","denotations":[{"id":"C15","span":{"begin":0,"end":16},"obj":"NP"}],"text":"NK cell activity"}

{"project":"GENIAcorpus","denotations":[{"id":"T27","span":{"begin":0,"end":7},"obj":"cell_type"}],"text":"NK cell activity"}