| http://www.w3.org/ns/prov#value | - Thirty Pakistani brands of Naswar were tested for a variety of toxic constituents and carcinogens such as cadmium, arsenic, lead and other carcinogenic metals; nitrite and nitrate; and nicotine and pH. The average values of all the toxins studied were well above their allowable limits, making the product a health risk for its consumers.
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