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Journal of Agricultural and Food Chemistry|November 15, 2008
Quantitative investigation of trigonelline, nicotinic acid, and nicotinamide in foods, urine, and plasma by means of LC-MS/MS and stable isotope dilution analysisRoman Lang, Erkan Firat Yagar, Rudolf Eggers, et al.
Analytical Chemistry|January 16, 2010
Development of a hydrophilic liquid interaction chromatography-high-performance liquid chromatography-tandem mass spectrometry based stable isotope dilution analysis and pharmacokinetic studies on bioactive pyridines in human plasma and urine after coffee consumptionRoman Lang, Anika Wahl, Thomas Skurk, et al.
Journal of Agricultural and Food Chemistry|November 27, 2013
Quantitative studies on roast kinetics for bioactives in coffeeRoman Lang, Erkan Firat Yagar, Anika Wahl, et al.
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