cotinine chewing tobacco PDF] Quantification of Nicotine and in Plasma, Saliva, and Urine by HPLC Method in Users Smokeless tobacco users exposed to

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mean age, sex, mean body mass index (BMI), and comorbidity status), and type of exposures (i.e

There was a highly positive significant correlation between serum cotinine level and history of daily exposure to cigarette consumption with (p=0.000)