A-Z of nutritional supplements : dietary supplements, sports nutrition foods and ergogenic aids for health and performance. Part 22

von Geyer, Hans (Autor), ... Braun, Hans (Autor), Burke, Louise Mary (Autor), Stear, S. J. (Autor), Castell, Lindy M. (Autor)
Erschienen in British journal of sports medicine, 45 (2011), 9, S. 752-754, Lit.

Detecting the misuse of 7-oxo-DHEA by means of carbon isotope ratio mass spectrometry in doping control analysis

von Piper, Thomas (Autor), ... Fußhöller, Gregor (Autor), Geyer, Hans (Autor), Toboc, Ani (Autor), Mădălin-George, Dănilă (Autor), Thevis, Mario (Autor)
Erschienen in Rapid communications in mass spectrometry, 34 (2020), 12, Art.-ID e8776, [14 S.], Lit.

Analysis of non-hormonal nutritional supplements for anabolic-androgenic steroids - results of an international study

von Geyer, Hans (Autor), ... Parr, M.K. (Autor), Mareck, U. (Autor), Reinhart, U. (Autor), Schrader, Y. (Autor), Schänzer, Wilhelm (Autor)
Erschienen in International journal of sports medicine, 25 (2004), 2, S. 124-129, Lit.

Cross-contaminations of vitamin- and mineral-tablets with metandienone and stanozolol

von Geyer, Hans (Autor), ... Köhler, Karsten (Autor), Mareck, U. (Autor), Parr, M.K. (Autor), Schänzer, Wilhelm (Autor), Thevis, Mario (Autor)
Erschienen in Recent advances in doping analysis (14) : Proceedings of the Manfred Donike Workshop ; 24th Cologne Workshop on Dope Analysis ; 4th to 9th June 2006, Köln: Sportverl. Strauß (Verlag), 2006, S. 11-16, Lit.

Analysis of non-hormonal nutritional supplements for anabolic androgenic steroids : results of the international IOC-study

von Geyer, Hans (Autor), ... Parr, M.K. (Autor), Mareck, U. (Autor), Reinhart, U. (Autor), Schrader, Y. (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Recent advances in doping analysis (10) : Proceedings of the Manfred Donike Workshop ; 20th Cologne Workshop on Dope Analysis ; 10th to 15th March 2002, Köln: Sport u. Buch Strauß (Verlag), 2002, S. 83-85, Lit.

Oxandrolone and high doses of metandienone found in nutritional supplements

von Geyer, Hans (Autor), ... Bredehöft, M. (Autor), Mareck, U. (Autor), Parr, M.K. (Autor), Reinhart, U. (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Recent advances in doping analysis (11) : Proceedings of the Manfred Donike Workshop ; 21st Cologne Workshop on Dope Analysis ; 16th to 21st March 2003, Köln: Sport u. Buch Strauß (Verlag), 2003, S. 77-84, Lit.

Implementation of the HIF activator IOX-2 in routine doping controls : pilot study data

von Görgens, Christian (Autor), ... Guddat, Sven (Autor), Bosse, Christina (Autor), Knoop, André-Janic (Autor), Geyer, Hans (Autor), Thevis, Mario (Autor)
Erschienen in Drug testing and analysis, 12 (2020), 11/12 (The 38th Manfred Donike workshop on doping analysis), S. 1614-1619, Lit.

Comprehensive sample preparation for anabolic steroids, Glucocorticosteroids, Beta-Receptor blocking agents, selected anabolic androgenic steroids and Buprenorphine in human urine

von Mareck, U. (Autor), ... Thevis, Mario (Autor), Guddat, S. (Autor), Gotzmann, Andrea (Autor), Bredehöft, M. (Autor), Geyer, Hans (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Recent advances in doping analysis (12) : Proceedings of the Manfred Donike Workshop ; 22th Cologne Workshop on Dope Analysis ; 7th to 12th March 2004, Köln: Sport u. Buch Strauß (Verlag), 2004, S. 65-68, Lit.

Influence of ethanol on steroid profile parameters

von Mareck-Engelke, U. (Autor), ... Geyer, Hans (Autor), Schindler, U. (Autor), Flenker, U. (Autor), Iffland, R. (Autor), Donike, M. (Autor)
Erschienen in Recent advances in doping analysis (3) : in memoriam Manfred Donike ; Proceedings of the 13th Cologne Workshop on Dope Analysis ; 12th to 17th March 1995, Köln: Sport u. Buch Strauß (Verlag), 1996, S. 143-155, Lit.

Nutritional supplements cross-contaminated and faked with doping substances

von Geyer, Hans (Autor), ... Parr, Maria Kristina (Autor), Köhler, Karsten (Autor), Mareck, Ute (Autor), Schänzer, Wilhelm (Autor), Thevis, Mario (Autor)
Erschienen in Journal of mass spectrometry : JMS, 43 (2008), 7 (Sports doping explored), S. 892-902, Lit.

Quantitative determination of adrenaline and noradrenaline in urine using liquid chromatography-tandem mass spectrometry

von Thomas, Andreas (Autor), ... Geyer, Hans (Autor), Mester, H.J. (Autor), Schänzer, Wilhelm (Autor), Zimmermann, E. (Autor), Thevis, Mario (Autor)
Erschienen in Chromatographia, 64 (2006), 9-10, S. 587-591, Lit.

High amounts of 17-methylated anabolic-androgenic steroids in effervescent tablets on the dietary supplement market

von Parr, Maria K. (Autor), ... Geyer, Hans (Autor), Hoffmann, Bernhard (Autor), Köhler, Karsten (Autor), Mareck, Ute (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Biomedical chromatography, 21 (2007), 2, S. 164-168, Lit.

Nutritional supplements cross-contaminated and faked with prohormones, "classic" anabolic steroids and "designer steroids"

von Geyer, Hans (Autor), ... Köhler, Karsten (Autor), Mareck, Ute (Autor), Parr, Maria Kristina (Autor), Schänzer, Wilhelm (Autor), Thevis, Mario (Autor)
Erschienen in Effectiveness of the anti-doping fight: 2006 IAAF World Anti-Doping Symposium : book of proceedings ; 30 Septembre - 2 October 2006, Lausanne, Switzerland, Monaco: 2007, S. 95-99, Lit.

The Cologne protocol to follow-up positive caffeine cases

von Schänzer, Wilhelm (Autor), ... Gotzmann, Andrea (Autor), Schänzer, Wilhelm (Hrsg.), Geyer, Hans (Hrsg.), Gotzmann, Andrea (Hrsg.), Marek-Engelke, U. (Hrsg.)
Erschienen in Recent advances in doping analysis (5) : Proceedings of the Manfred Donike Workshop ; 15th Cologne Workshop on Dope Analysis ; 23rd to 28th February 1997, Köln: Sport u. Buch Strauß (Verlag), 1998, 1998. S. 259-268, Lit., Lit.

Diagnostic validity of HDL-C, CK and LH measured in blood serum for discrimination of AAS users during "on" and "off" cycle in body builders

von Chrostowski, K. (Autor), ... Grucza, R. (Autor), Schänzer, Wilhelm (Hrsg.), Geyer, Hans (Hrsg.), Gotzmann, Andrea (Hrsg.), Marek-Engelke, U. (Hrsg.)
Erschienen in Recent advances in doping analysis (5) : Proceedings of the Manfred Donike Workshop ; 15th Cologne Workshop on Dope Analysis ; 23rd to 28th February 1997, Köln: Sport u. Buch Strauß (Verlag), 1998, 1998. S. 223-229, Lit., Lit.

Fast and accurate determination of urinary human erythropoietin with Nichols Institute Diagnostics chemiluminescence immunoassay for erythropoietin after gelfiltration

von Breidbach, A. (Autor), ... Schänzer, Wilhelm (Autor), Schänzer, Wilhelm (Hrsg.), Geyer, Hans (Hrsg.), Gotzmann, Andrea (Hrsg.), Marek-Engelke, U. (Hrsg.)
Erschienen in Recent advances in doping analysis (5) : Proceedings of the Manfred Donike Workshop ; 15th Cologne Workshop on Dope Analysis ; 23rd to 28th February 1997, Köln: Sport u. Buch Strauß (Verlag), 1998, 1998. S. 209-214, Lit., Lit.

Performance test of the new mass selective detector HP 5973 in routine dope analysis of anabolic androgenic steroids

von Nolteernsting, E. (Autor), ... Schänzer, Wilhelm (Autor), Schänzer, Wilhelm (Hrsg.), Geyer, Hans (Hrsg.), Gotzmann, Andrea (Hrsg.), Marek-Engelke, U. (Hrsg.)
Erschienen in Recent advances in doping analysis (5) : Proceedings of the Manfred Donike Workshop ; 15th Cologne Workshop on Dope Analysis ; 23rd to 28th February 1997, Köln: Sport u. Buch Strauß (Verlag), 1998, 1998. S. 149-156, Lit., Lit.

Additional investigations in connection with atypical findings for 19-norandrosterone : a case study

von Fußhöller, Gregor (Autor), ... Geyer, Hans (Autor), Haenelt, Nadine (Autor), Hülsemann, Frank (Autor), Gougoulidis, Vassilios (Autor), Blatt, Christina (Autor), Thevis, Mario (Autor)
Erschienen in Recent advances in doping analysis (29) : Proceedings of the Manfred Donike Workshop ; 39th Cologne Workshop on Dope Analysis 22nd to 26th March 2021, Hellenthal: Sportverl. Strauß (Verlag), 2021, S. 38-40, Lit.

Mission (im)possible? Gas chromatography/combustion/isotope ratio mass spectrometry of trace amounts of urinary norandrosterone

von Hebestreit, M. (Autor), ... Flenker, U. (Autor), Fußhöller, G. (Autor), Güntner, U. (Autor), Geyer, Hans (Autor), Mareck, U. (Autor), Schänzer, Wilhelm (Autor)
Erschienen in Recent advances in doping analysis (13) : Proceedings of the Manfred Donike Workshop ; 23th Cologne Workshop on Dope Analysis ; 27th February to 4th March 2005, Köln: Sport u. Buch Strauß (Verlag), 2005, S. 209-218, Lit.

Effects of gamma irradiation and 15 days of subsequent ex vivo storage on the cytosolic red blood cell proteome analyzed by 2D-DIGE and Orbitrap MS

von Walpurgis, Katja (Autor), ... Kohler, Maxie (Autor), Thomas, Andreas (Autor), Wenzel, Folker (Autor), Geyer, Hans (Autor), Schänzer, Wilhelm (Autor), Thevis, Mario (Autor)
Erschienen in Proteomics / clinical applications , 7 (2013), 7/8, S. 561-570, Lit.