PubMed:8349644 / 89-206 JSONTXT

{"project":"sentences","denotations":[{"id":"T2","span":{"begin":0,"end":117},"obj":"Sentence"},{"id":"T2","span":{"begin":0,"end":117},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Components required for the splicing of nuclear messenger RNA precursors in vitro have been isolated from HeLa cells."}