Publications by authors named "Joel D Richardson"

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Effect of creatinine and specific gravity normalization techniques on xenobiotic biomarkers in smokers' spot and 24-h urines.
David L Heavner, Walter T Morgan, Stephen B Sears, Joel D Richardson, Gary D Byrd

J Pharm Biomed Anal· March 2006

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Validation and application of a method for the determination of nicotine and five major metabolites in smokers' urine by solid-phase extraction and liquid chromatography-tandem mass spectrometry.
David L Heavner, Joel D Richardson, Walter T Morgan, Michael W Ogden

Biomed Chromatogr· May 2005

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