Rob Kok

6.5k citations

134 papers · 4.3k indexed · 1 hit paper · h-index 37

Impact in

Neuropsychology and Physiological Psychology top 1%
Biological Psychiatry top 2%
- Tryptophan and brain disorders

Papers in ⓘ

Psychiatry and Mental health 49
- Electroconvulsive Therapy Studies 26
- Bipolar Disorder and Treatment 13
- Dementia and Cognitive Impairment Research 11
- Schizophrenia research and treatment 9
Neuropsychology and Physiological Psychology 4

Co-authors: Charles F. Reynolds (1 shared paper)Thea J. Heeren (11 shared papers)Hannie C. Comijs (16 shared papers)Willem A. Nolen (9 shared papers)Max L. Stek (17 shared papers)Yvo M. Smulders (14 shared papers)J.M. Hegeman (4 shared papers)Cornelis Jakobs (10 shared papers)
Journals: International Journal of Geriatric Psychiatry (14 papers)Journal of Affective Disorders (7 papers)American Journal of Geriatric Psychiatry (5 papers)Clinical Chemistry and Laboratory Medicine (CCLM) (5 papers)Clinica Chimica Acta (4 papers)
Partner nations: Netherlands Belgium United States

In The Last Decade

Rob Kok

124 papers receiving 4.2k citations

Hit Papers

align trajectories log scale

Management of Depression in Older Adults 2017 · 569 citations

Peers

Countries citing papers authored by Rob Kok

Since Specialization

Citations

This map shows the geographic impact of Rob Kok's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Rob Kok with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Rob Kok more than expected).

Fields of papers citing papers by Rob Kok

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Rob Kok. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Rob Kok. The network helps show where Rob Kok may publish in the future.

Co-authors

The 25 scholars most cited alongside Rob Kok, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with Rob Kok Line = papers co-authored together Rob Kok links everyone, so they are left out of the graph.

All Works

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20 of 20 papers shown

Showing the 20 most-cited of 134 papers — load more, or switch the sort, to bring in the rest.

#	Work
1	Management of Depression in Older Adults JAMA ·Rob Kok, Charles F. Reynolds Hit paper breakdown →	2017	569
2	Phenomenology of depression in older compared with younger adults: Meta-analysis The British Journal of Psychiatry ·J.M. Hegeman, Rob Kok, Rose C. van der Mast, Erik J. Giltay	2012	215
3	The Netherlands study of depression in older persons (NESDO); a prospective cohort study BMC Research Notes ·Hannie C. Comijs, Harm van Marwijk, Roos C. van der Mast, Paul Naarding, Richard C. Oude Voshaar, Aartjan T.F. Beekman, Marjolein Boshuisen, Janny H. Dekker, Rob Kok, Margot W. M. de Waal, Brenda W.J.H. Penninx, Max L. Stek, Johannes H. Smit	2011	135
4	Efficacy of treatment in older depressed patients: A systematic review and meta-analysis of double-blind randomized controlled trials with antidepressants Journal of Affective Disorders ·Rob Kok, Willem A. Nolen, Thea J. Heeren	2012	114
5	Phytanic acid and pristanic acid are oxidized by sequential peroxisomal and mitochondrial reactions in cultured fibroblasts Journal of Lipid Research ·Nanda M. Verhoeven, Diane S. Roe, Rob Kok, Ronald J. A. Wanders, Cornelis Jakobs, Charles R. Roe	1998	111
6	Associations between age and the course of major depressive disorder: a 2-year longitudinal cohort study The Lancet Psychiatry ·Roxanne Schaakxs, Hannie C. Comijs, Femke Lamers, Rob Kok, Aartjan T.F. Beekman, Brenda W.J.H. Penninx	2018	110
7	Pharmacokinetics of 5-fluorouracil assessed with a sensitive mass spectrometric method in patients on a dose escalation schedule. PubMed ·C.J. van Groeningen, Herbert M. Pinedo, J. Heddes, Rob Kok, A.P.J.M. de Jong, E. Wattel, Godefridus J. Peters, J. Lankelma	1988	107
8	The two-year course of late-life depression; results from the Netherlands study of depression in older persons BMC Psychiatry ·Hannie C. Comijs, Jasper Nieuwesteeg, Rob Kok, Harm van Marwijk, Roos C. van der Mast, Paul Naarding, Richard C. Oude Voshaar, Peter Verhaak, Margot W. M. de Waal, Max L. Stek	2015	103
9	Prolonged retention of high concentrations of 5-fluorouracil in human and murine tumors as compared with plasma Cancer Chemotherapy and Pharmacology ·Godefridus J. Peters, J. Lankelma, Rob Kok, Paul Noordhuis, C.J. van Groeningen, C.L. van der Wilt, Sybren Meyer, Herbert M. Pinedo	1993	95
10	Gene-environment interactions in the causation of neural tube defects: folate deficiency increases susceptibility conferred by loss of Pax3 function Human Molecular Genetics ·Katie A. Burren, Dawn Savery, Valentina Massa, Rob Kok, John M. Scott, Henk J. Blom, Andrew J. Copp, Nicholas D. E. Greene	2008	92
11	Hippocampal volume and subcortical white matter lesions in late life depression: comparison of early and late onset depression Journal of Neurology Neurosurgery & Psychiatry ·Joost Janssen, Hilleke E. Hulshoff Pol, F.E. de Leeuw, Hugo G. Schnack, Indrag K. Lampe, Rob Kok, Robert S. Kahn, Thea J. Heeren	2007	91
12	Stable-Isotope Dilution Analysis of D- and L-2-Hydroxyglutaric Acid: Application to the Detection and Prenatal Diagnosis of D- and L-2-Hydroxyglutaric Acidemias Pediatric Research ·K. Michael Gibson, H.J. ten Brink, D. S. M. Schor, Rob Kok, Albert H. Bootsma, Georg F. Hoffmann, C. Jakobs	1993	91
13	Global DNA methylation measured by liquid chromatography-tandem mass spectrometry: analytical technique, reference values and determinants in healthy subjects Clinical Chemistry and Laboratory Medicine (CCLM) ·Rob Kok, Desirée E.C. Smith, Rob Barto, Annemieke M. W. Spijkerman, Tom Teerlink, Henk J. Gellekink, Cornelis Jakobs, Yvo M. Smulders	2007	86
14	Continuing Treatment of Depression in the Elderly: A Systematic Review and Meta-Analysis of Double-Blinded Randomized Controlled Trials With Antidepressants American Journal of Geriatric Psychiatry ·Rob Kok, Thea J. Heeren, Willem A. Nolen	2010	85
15	Neurocognitive effects after brief pulse and ultrabrief pulse unilateral electroconvulsive therapy for major depression: A review Journal of Affective Disorders ·Esmée Verwijk, Hannie C. Comijs, Rob Kok, Harm‐Pieter Spaans, Max L. Stek, Erik Scherder	2012	84
16	Speed of remission in elderly patients with depression: Electroconvulsive therapyv. medication The British Journal of Psychiatry ·Harm‐Pieter Spaans, Pascal Sienaert, Filip Bouckaert, Julia F. van den Berg, Esmée Verwijk, King H. Kho, Max L. Stek, Rob Kok	2014	69
17	5-Methyltetrahydrofolic acid and folic acid measured in plasma with liquid chromatography tandem mass spectrometry: applications to folate absorption and metabolism Analytical Biochemistry ·Rob Kok, Desirée E.C. Smith, J. Dainty, J.T van den Akker, Paul Finglas, Yvo M. Smulders, C. Jakobs, K. de Meer	2004	64
18	Prevalence of mild cognitive impairment and dementia in older non‐western immigrants in the Netherlands: a cross‐sectional study International Journal of Geriatric Psychiatry ·Juliette L. Parlevliet, Özgül Uysal‐Bozkir, Miriam Goudsmit, Jos P. van Campen, Rob Kok, Gerben ter Riet, Ben Schmand, Sophia E. de Rooij	2016	63
19	Cellular folate vitamer distribution during and after correction of vitamin B₁₂ deficiency: a case for the methylfolate trap British Journal of Haematology ·Yvo M. Smulders, Desirée E.C. Smith, Rob Kok, Tom Teerlink, Dorine W. Swinkels, Coen D.A. Stehouwer, C. Jakobs	2005	58
20	Efficacy and Cognitive Side Effects After Brief Pulse and Ultrabrief Pulse Right Unilateral Electroconvulsive Therapy for Major Depression The Journal of Clinical Psychiatry ·Harm‐Pieter Spaans, Esmée Verwijk, Hannie C. Comijs, Rob Kok, Pascal Sienaert, Filip Bouckaert, Katrien Fannes, Koen Vandepoel, Erik Scherder, Max L. Stek, King H. Kho	2013	56

About Rob Kok

Rob Kok is a scholar working on Psychiatry and Mental health, Neuropsychology and Physiological Psychology, Clinical Biochemistry, Pharmacology and Geriatrics and Gerontology, having authored 134 papers that have together received 4.3k indexed citations. Recurring topics across this work include Treatment of Major Depression (28 papers), Electroconvulsive Therapy Studies (26 papers), Metabolism and Genetic Disorders (15 papers), Folate and B Vitamins Research (14 papers), Bipolar Disorder and Treatment (13 papers), Dementia and Cognitive Impairment Research (11 papers), Schizophrenia research and treatment (9 papers) and Health disparities and outcomes (8 papers). The work is most often cited by research in Neuropsychology and Physiological Psychology (158 citations), Biological Psychiatry (243 citations), Psychiatry and Mental health (1.1k citations), Clinical Biochemistry (385 citations) and Geriatrics and Gerontology (212 citations). Rob Kok has collaborated with scholars based in Netherlands, Belgium and United States. Frequent co-authors include Charles F. Reynolds, Thea J. Heeren, Hannie C. Comijs, Willem A. Nolen, Max L. Stek, Yvo M. Smulders, J.M. Hegeman, Cornelis Jakobs, Harm‐Pieter Spaans and Desirée E.C. Smith. Their work appears in journals such as International Journal of Geriatric Psychiatry, Journal of Affective Disorders, American Journal of Geriatric Psychiatry, Clinical Chemistry and Laboratory Medicine (CCLM) and Clinica Chimica Acta.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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