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Nicotine, cotinine and 3-hydroxy-cotinine (OH-cotinine) were measured in PBS using a quantitative liquid chromatography coupled to tandem mass spectrometry (LCMS/MS) method, based on a previously validated method for saliva (as established in 39 )

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As we explained recently, the chemical is found in foods like apples and fish as well as a variety of consumer and medical products

And that's what I was talking about, about being able to use the positions that we have been honored to hold in a way that can positively affect people