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BACKGROUND Limited data are available on carcinogen uptake in smokers who reduce their smoking. To determine whether reducing the number of cigarettes smoked per day would lead to a corresponding reduction in carcinogen uptake, we measured levels of metabolites of the tobacco-specific lung carcinogen 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK) in(More)
To determine how soil type, 2,4-dichlorophenoxyacetic acid (2,4-D) treatment, and storage affects color and anthocyanin accumulation of Red Norland potatoes, tubers were grown in sand or peat, with or without 2,4-D treatment, and measured at vine kill, harvest or after storage. Tubers grown in sand were less red and accumulated fewer anthocyanins than(More)
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