Margriet van Laar

3.7k total citations
90 papers, 2.4k citations indexed

About

Margriet van Laar is a scholar working on Epidemiology, Pharmacology and General Health Professions. According to data from OpenAlex, Margriet van Laar has authored 90 papers receiving a total of 2.4k indexed citations (citations by other indexed papers that have themselves been cited), including 40 papers in Epidemiology, 31 papers in Pharmacology and 27 papers in General Health Professions. Recurrent topics in Margriet van Laar's work include Substance Abuse Treatment and Outcomes (35 papers), Cannabis and Cannabinoid Research (29 papers) and Homelessness and Social Issues (21 papers). Margriet van Laar is often cited by papers focused on Substance Abuse Treatment and Outcomes (35 papers), Cannabis and Cannabinoid Research (29 papers) and Homelessness and Social Issues (21 papers). Margriet van Laar collaborates with scholars based in Netherlands, United Kingdom and Slovenia. Margriet van Laar's co-authors include Peggy van der Pol, Olaf H. Drummer, G Berghaus, Johannes G. Ramaekers, Raymond J.M. Niesink, Wim van den Brink, Dirk J. Korf, Nienke Liebregts, Ron de Graaf and Edmund R. Volkerts and has published in prestigious journals such as PLoS ONE, Psychological Medicine and American Journal of Preventive Medicine.

In The Last Decade

Margriet van Laar

81 papers receiving 2.3k citations

Peers

Margriet van Laar

PHARM

EPIDE

GHP

TOXIC

Gabrielle Campbell Australia

Michel Reynaud France

Didier Jutras‐Aswad Canada

Russell C. Callaghan Canada

Benjamin Rolland France

Evgeny Krupitsky Russia

Gerhard A. Wiesbeck Switzerland

Daniel Stjepanović Australia

Carrie Cuttler United States

Dvora Shmulewitz United States

Gabrielle Campbell Australia

Margriet van Laar

1.7k ×1.2

PHARM

1.0k ×1.3

EPIDE

540 ×1.1

343 ×0.9

GHP

346 ×1.0

TOXIC

Citations per year, relative to Margriet van Laar Margriet van Laar (= 1×) peers Gabrielle Campbell

Countries citing papers authored by Margriet van Laar

Since Specialization

Citations

This map shows the geographic impact of Margriet van Laar'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 Margriet van Laar with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Margriet van Laar more than expected).

Fields of papers citing papers by Margriet van Laar

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Margriet van Laar. 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 Margriet van Laar. The network helps show where Margriet van Laar may publish in the future.

Co-authorship network of co-authors of Margriet van Laar

This figure shows the co-authorship network connecting the top 25 collaborators of Margriet van Laar. A scholar is included among the top collaborators of Margriet van Laar based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Margriet van Laar. Margriet van Laar is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Ramos, Lucas A., et al.. (2024). Predicting cannabis use moderation among a sample of digital self-help subscribers: A machine learning study. Drug and Alcohol Dependence. 264. 112431–112431.

Goudriaan, Anna E., et al.. (2023). A guided digital intervention to reduce cannabis use: The ICan randomized controlled trial. Addiction. 118(9). 1775–1786. 4 indexed citations

Blankers, Matthijs, Marloes Kleinjan, Jon Waldron, et al.. (2023). Polydrug Use Typologies of Regular Ecstasy Users Visiting Electronic Dance Music Events: A Latent Class Analysis. European Addiction Research. 30(1). 52–64. 1 indexed citations

Blankers, Matthijs, Brigitte Boon, Anne H. Berman, et al.. (2022). Effectiveness, Cost-effectiveness, and Cost-Utility of a Digital Alcohol Moderation Intervention for Cancer Survivors: Health Economic Evaluation and Outcomes of a Pragmatic Randomized Controlled Trial. Journal of Medical Internet Research. 24(2). e30095–e30095. 4 indexed citations

Blankers, Matthijs, Brigitte Boon, Irma M. Verdonck‐de Leeuw, et al.. (2022). Effectiveness, Cost-effectiveness, and Cost-Utility of a Digital Smoking Cessation Intervention for Cancer Survivors: Health Economic Evaluation and Outcomes of a Pragmatic Randomized Controlled Trial. Journal of Medical Internet Research. 24(3). e27588–e27588. 7 indexed citations

Blankers, Matthijs, et al.. (2022). Identifying Subgroups of Cannabis Users Based on Help-Seeking Preferences: A Latent Class Analysis. European Addiction Research. 28(5). 331–339. 2 indexed citations

Grabski, Meryem, Jon Waldron, Tom P. Freeman, Margriet van Laar, & Valerie H. Curran. (2022). Is approving esketamine as an antidepressant for treatment resistant depression associated with recreational use and risk perception of ketamine? Results from a longitudinal and cross-sectional survey in nightlife attendees. International Journal of Drug Policy. 102. 103612–103612. 5 indexed citations

Blankers, Matthijs, et al.. (2021). ICan, an Internet-based intervention to reduce cannabis use: study protocol for a randomized controlled trial. Trials. 22(1). 28–28. 6 indexed citations

Blankers, Matthijs, et al.. (2018). Internet-based self-help smoking cessation and alcohol moderation interventions for cancer survivors: a study protocol of two RCTs. BMC Cancer. 18(1). 364–364. 10 indexed citations

10.

Blankers, Matthijs, et al.. (2018). 4-Fluoramphetamine in the Netherlands: Text-mining and sentiment analysis of internet forums. International Journal of Drug Policy. 64. 34–39. 10 indexed citations

11.

Pol, Peggy van der, Nienke Liebregts, Tibor M. Brunt, et al.. (2014). Cross‐sectional and prospective relation of cannabis potency, dosing and smoking behaviour with cannabis dependence: an ecological study. Addiction. 109(7). 1101–1109. 92 indexed citations

12.

Monshouwer, Karin, et al.. (2014). Points of sale of tobacco products: Synthesis of scientific and practice based knowledge on the impact of reducing the number of points of sale and restrictions on tobacco product displays. Utrecht University Repository (Utrecht University). 8 indexed citations

13.

Vermeulen-Smit, Evelien, Margreet ten Have, Margriet van Laar, & Ron de Graaf. (2014). Clustering of health risk behaviours and the relationship with mental disorders. Journal of Affective Disorders. 171. 111–119. 69 indexed citations

14.

Pol, Peggy van der, Nienke Liebregts, Ron de Graaf, et al.. (2011). The Dutch Cannabis Dependence (CanDep) study on the course of frequent cannabis use and dependence: objectives, methods and sample characteristics. International Journal of Methods in Psychiatric Research. 20(3). 169–181. 24 indexed citations

15.

Laar, Margriet van, et al.. (2010). The Netherlands drug situation 2009. Data Archiving and Networked Services (DANS). 4 indexed citations

16.

Brunt, Tibor M., Margriet van Laar, Raymond J.M. Niesink, & Wim van den Brink. (2010). The relationship of quality and price of the psychostimulants cocaine and amphetamine with health care outcomes. Drug and Alcohol Dependence. 111(1-2). 21–29. 9 indexed citations

17.

Laar, Margriet van, et al.. (2009). Evaluatie van het Nederlandse drugsbeleid. 22 indexed citations

18.

Laar, Margriet van, et al.. (2007). Drug situation 2006 - the Netherlands. 1 indexed citations

19.

Laar, Margriet van, et al.. (2003). Nationale Drug Monitor : Jaarbericht 2007. Data Archiving and Networked Services (DANS). 20 indexed citations

20.

Volkerts, Edmund R., et al.. (1993). A METHODICAL COMPARATIVE STUDY OF OVER-THE-ROAD AND SIMULATED DRIVING PERFORMANCE AFTER NOCTURNAL TREATMENT WITH LORMETAZEPAM 1MG AND OXAZEPAM 50MG. 1993. 664–671. 1 indexed citations

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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