| Resistant hypertension? Assessment of adherence by toxicological urine analysis O Jung, JL Gechter, C Wunder, A Paulke, C Bartel, H Geiger, ... Journal of hypertension 31 (4), 766-774, 2013 | 617 | 2013 |
| Neurocognitive performance during acute THC intoxication in heavy and occasional cannabis users JG Ramaekers, G Kauert, EL Theunissen, SW Toennes, MR Moeller Journal of psychopharmacology 23 (3), 266-277, 2009 | 463 | 2009 |
| Pharmacokinetics of cathinone, cathine and norephedrine after the chewing of khat leaves SW Toennes, S Harder, M Schramm, C Niess, GF Kauert British journal of clinical pharmacology 56 (1), 125-130, 2003 | 372 | 2003 |
| Me, myself, bye: regional alterations in glutamate and the experience of ego dissolution with psilocybin NL Mason, KPC Kuypers, F Müller, J Reckweg, DHY Tse, SW Toennes, ... Neuropsychopharmacology 45 (12), 2003-2011, 2020 | 237 | 2020 |
| Sub-acute and long-term effects of ayahuasca on affect and cognitive thinking style and their association with ego dissolution MV Uthaug, K van Oorsouw, KPC Kuypers, M Van Boxtel, NJ Broers, ... Psychopharmacology 235, 2979-2989, 2018 | 237 | 2018 |
| Driving under the influence of drugs—evaluation of analytical data of drugs in oral fluid, serum and urine, and correlation with impairment symptoms SW Toennes, GF Kauert, S Steinmeyer, MR Moeller Forensic science international 152 (2-3), 149-155, 2005 | 224 | 2005 |
| Tolerance and cross-tolerance to neurocognitive effects of THC and alcohol in heavy cannabis users JG Ramaekers, EL Theunissen, M De Brouwer, SW Toennes, MR Moeller, ... Psychopharmacology 214, 391-401, 2011 | 206 | 2011 |
| Screening for drugs of abuse in oral fluid—correlation of analysis results with serum in forensic cases SW Toennes, S Steinmeyer, HJ Maurer, MR Moeller, GF Kauert Journal of Analytical Toxicology 29 (1), 22-27, 2005 | 159 | 2005 |
| Comparison of cannabinoid pharmacokinetic properties in occasional and heavy users smoking a marijuana or placebo joint SW Toennes, JG Ramaekers, EL Theunissen, MR Moeller, GF Kauert Journal of analytical toxicology 32 (7), 470-477, 2008 | 154 | 2008 |
| Renal denervation preserves renal function in patients with chronic kidney disease and resistant hypertension C Ott, F Mahfoud, A Schmid, SW Toennes, S Ewen, T Ditting, R Veelken, ... Journal of hypertension 33 (6), 1261-1266, 2015 | 145 | 2015 |
| Pharmacokinetic Properties of Δ9-Tetrahydrocannabinol in Serum and Oral Fluid GF Kauert, JG Ramaekers, E Schneider, MR Moeller, SW Toennes Journal of Analytical Toxicology 31 (5), 288-293, 2007 | 137 | 2007 |
| Spontaneous and deliberate creative cognition during and after psilocybin exposure NL Mason, KPC Kuypers, JT Reckweg, F Müller, DHY Tse, B Da Rios, ... Translational psychiatry 11 (1), 209, 2021 | 117 | 2021 |
| Neurophysiological functioning of occasional and heavy cannabis users during THC intoxication EL Theunissen, GF Kauert, SW Toennes, MR Moeller, A Sambeth, ... Psychopharmacology 220, 341-350, 2012 | 114 | 2012 |
| A placebo-controlled study of the effects of ayahuasca, set and setting on mental health of participants in ayahuasca group retreats MV Uthaug, NL Mason, SW Toennes, JT Reckweg, ... Psychopharmacology 238, 1899-1910, 2021 | 110 | 2021 |
| Excretion and detection of cathinone, cathine, and phenylpropanolamine in urine after kath chewing SW Toennes, GF Kauert Clinical chemistry 48 (10), 1715-1719, 2002 | 109 | 2002 |
| Pharmacokinetic properties of Δ9-tetrahydrocannabinol in oral fluid of occasional and chronic users SW Toennes, JG Ramaekers, EL Theunissen, MR Moeller, GF Kauert Journal of analytical toxicology 34 (4), 216-221, 2010 | 107 | 2010 |
| Cannabis and tolerance: acute drug impairment as a function of cannabis use history JG Ramaekers, JH Van Wel, DB Spronk, SW Toennes, KPC Kuypers, ... Scientific reports 6 (1), 26843, 2016 | 103 | 2016 |
| Adherence to antihypertensive medication in treatment‐resistant hypertension undergoing renal denervation RE Schmieder, C Ott, A Schmid, S Friedrich, I Kistner, T Ditting, R Veelken, ... Journal of the American Heart Association 5 (2), e002343, 2016 | 95 | 2016 |
| Cardiovascular risk factors in idiopathic compared to riskassociated venous thromboembolism: A focus on fibrinogen, factor VIII, and high-sensitivity C-reactive protein (hs-CRP) B Luxembourg, J Schmitt, M Humpich, M Glowatzki, D Dressler, E Seifried, ... Thrombosis and haemostasis 102 (10), 668-675, 2009 | 95* | 2009 |
| A placebo-controlled study to assess Standardized Field Sobriety Tests performance during alcohol and cannabis intoxication in heavy cannabis users and accuracy of point of … WM Bosker, EL Theunissen, S Conen, KPC Kuypers, WK Jeffery, ... Psychopharmacology 223, 439-446, 2012 | 94 | 2012 |