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Thomas A, Krombholz S, Wolf C, Thevis M.Thomas A, et al. Among authors: krombholz s.Drug Test Anal. 2021 Nov;13(11-12):1862-1870. doi: 10.1002/dta.3176. Epub 2021 Oct 26.Drug Test Anal. 2021.PMID: 34633773
Krombholz S, Thomas A, Thevis M.Krombholz S, et al.Metabolites. 2022 Feb 4;12(2):146. doi: 10.3390/metabo12020146.Metabolites. 2022.PMID: 35208220Free PMC article.
Thomas A, Krombholz S, Breuer J, Walpurgis K, Thevis M.Thomas A, et al. Among authors: krombholz s.Drug Test Anal. 2023 Nov-Dec;15(11-12):1468-1476. doi: 10.1002/dta.3572. Epub 2023 Sep 11.Drug Test Anal. 2023.PMID: 37691519