Ajab, Huma Characterization of toxic metals in tobacco, tobacco smoke, and cigarette ash from selected imported and local brands in Pakistan. [electronic resource] - TheScientificWorldJournal 2014 - 413614 p. digital Publication Type: Journal Article ISSN: 1537-744X Standard No.: 10.1155/2014/413614 doi Subjects--Topical Terms: Metals--chemistryPakistanSmoke--analysisSpectrophotometry, AtomicTobacco Products