Analysis of non-hormonal nutritional supplements for anabolic-androgenic steroids-results of an international study H Geyer, MK Parr, U Mareck, U Reinhart, Y Schrader, W Schänzer International journal of sports medicine 25 (02), 124-129, 2004 | 528 | 2004 |
Nutritional supplements cross‐contaminated and faked with doping substances H Geyer, MK Parr, K Koehler, U Mareck, W Schänzer, M Thevis Journal of Mass Spectrometry 43 (7), 892-902, 2008 | 503 | 2008 |
Mass spectrometric identification and characterization of a new long‐term metabolite of metandienone in human urine W Schänzer, H Geyer, G Fußhöller, N Halatcheva, M Kohler, MK Parr, ... Rapid communications in mass spectrometry 20 (15), 2252-2258, 2006 | 149 | 2006 |
NDMA impurity in valsartan and other pharmaceutical products: Analytical methods for the determination of N-nitrosamines MK Parr, JF Joseph Journal of pharmaceutical and biomedical analysis 164, 536-549, 2019 | 136 | 2019 |
Ecdysteroids as non-conventional anabolic agent: performance enhancement by ecdysterone supplementation in humans E Isenmann, G Ambrosio, JF Joseph, M Mazzarino, X de la Torre, ... Archives of toxicology 93 (7), 1807-1816, 2019 | 115 | 2019 |
Detection of the misuse of steroids in doping control MK Parr, W Schänzer The Journal of steroid biochemistry and molecular biology 121 (3-5), 528-537, 2010 | 112 | 2010 |
Estrogen receptor beta is involved in skeletal muscle hypertrophy induced by the phytoecdysteroid ecdysterone MK Parr, P Zhao, O Haupt, ST Ngueu, J Hengevoss, KH Fritzemeier, ... Molecular nutrition & food research 58 (9), 1861-1872, 2014 | 111 | 2014 |
Life cycle management of analytical methods MK Parr, AH Schmidt Journal of pharmaceutical and biomedical analysis 147, 506-517, 2018 | 106 | 2018 |
Ecdysteroids: A novel class of anabolic agents? MK Parr, F Botrè, A Naß, J Hengevoss, P Diel Biology of sport 32 (2), 169-173, 2015 | 101 | 2015 |
Ecdysteroids: A novel class of anabolic agents? MK Parr, F Botrè, A Naß, J Hengevoss, P Diel, G Wolber Biology of sport 32 (2), 169, 2015 | 101 | 2015 |
Physicochemical characterization of biopharmaceuticals MK Parr, O Montacir, H Montacir Journal of Pharmaceutical and Biomedical Analysis 130, 366-389, 2016 | 87 | 2016 |
Synthetic androgens as designer supplements J Felix Joseph, M Kristina Parr Current neuropharmacology 13 (1), 89-100, 2015 | 87 | 2015 |
Serum testosterone and urinary excretion of steroid hormone metabolites after administration of a high-dose zinc supplement K Koehler, MK Parr, H Geyer, J Mester, W Schänzer European journal of clinical nutrition 63 (1), 65-70, 2007 | 86 | 2007 |
Current Methods for Stress Marker Detection in Saliva G Giacomello, A Scholten, MK Parr Journal of Pharmaceutical and Biomedical Analysis, 113604, 2020 | 71 | 2020 |
Clenbuterol marketed as dietary supplement MK Parr, K Koehler, H Geyer, S Guddat, W Schänzer Biomedical chromatography 22 (3), 298-300, 2008 | 69 | 2008 |
Analytical strategies for the detection of non-labelled anabolic androgenic steroids in nutritional supplements MK Parr*, H Geyer, U Reinhart, W Schänzer Food additives and contaminants 21 (7), 632-640, 2004 | 64 | 2004 |
Detection and characterization of a new metabolite of 17α-methyltestosterone OJ Pozo, P Van Eenoo, K Deventer, L Lootens, W Van Thuyne, MK Parr, ... Drug metabolism and disposition 37 (11), 2153-2162, 2009 | 63 | 2009 |
SFC for chiral separations in bioanalysis LC Harps, JF Joseph, MK Parr Journal of pharmaceutical and biomedical analysis 162, 47-59, 2019 | 60 | 2019 |
Distinction of clenbuterol intake from drug or contaminated food of animal origin in a controlled administration trial–the potential of enantiomeric separation for doping … MK Parr, MH Blokland, F Liebetrau, AH Schmidt, T Meijer, M Stanic, ... Food Additives & Contaminants: Part A 34 (4), 525-535, 2017 | 57 | 2017 |
Methods in endogenous steroid profiling–A comparison of gas chromatography mass spectrometry (GC–MS) with supercritical fluid chromatography tandem mass spectrometry (SFC-MS/MS) J Teubel, B Wüst, CG Schipke, O Peters, MK Parr Journal of Chromatography A 1554, 101-116, 2018 | 50 | 2018 |