New cancer risk factors data have been reported by N.J. Montalto and co-authors

Investigators publish new data in the report 'Validation of self-reported smoking status using saliva cotinine: a rapid semiquantitative dipstick method.' "' This study evaluated the performance characteristics of a novel rapid method for verifying smoking status in individuals by measurement of cotinine, the primary metabolite of nicotine, in saliva samples using an immunochromatographic strip in a 'dipstick' format compared with liquid chromatography/mass spectrometry (LC/MS). A prospective comparison was made of smoking status as determined by measurement of cotinine in urine by LC/MS (the gold standard) and in saliva using a semiquantitative dipstick assay that uses cotinine-specific...

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