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PubMed:1190465
Annnotations
NCBITAXON
{"project":"NCBITAXON","denotations":[{"id":"T1","span":{"begin":42,"end":49},"obj":"OrganismTaxon"}],"attributes":[{"id":"A1","pred":"db_id","subj":"T1","obj":"4097"}],"text":"Determination of N'-nitrosonornicotine in tobacco by high speed liquid chromatography.\n"}