PubMed:18702176 / 348-495 JSONTXT

{"project":"sentences","denotations":[{"id":"TextSentencer_T3","span":{"begin":0,"end":147},"obj":"Sentence"},{"id":"T3","span":{"begin":0,"end":147},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Where tumour-specific mRNAs have not been identified, the selection of which target(s) is(are) optimal for the detection of MD remains a challenge."}