PubMed:821945 / 2084-2274 JSONTXT

{"project":"sentences","denotations":[{"id":"T11","span":{"begin":0,"end":190},"obj":"Sentence"},{"id":"T11","span":{"begin":0,"end":190},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Little or no mutagenic activity is observed with trans-dihydrodiols at positions 4,5, 9,10, or 11,12 of the hydrocarbon, either in the absence or presence of the active monooxygenase system."}