PubMed:8508358 / 630-697 JSONTXT

{"project":"pubmed-sentences-benchmark","denotations":[{"id":"S7","span":{"begin":0,"end":67},"obj":"Sentence"}],"text":"The median time of observation was 42 months (range, 31-55 months)."}

{"project":"genia-medco-coref","denotations":[{"id":"C4","span":{"begin":0,"end":30},"obj":"NP"},{"id":"C5","span":{"begin":35,"end":66},"obj":"NP"}],"relations":[{"id":"R2","pred":"coref-ident","subj":"C5","obj":"C4"}],"text":"The median time of observation was 42 months (range, 31-55 months)."}