Van der Merwe

11.7k citations

234 papers · 6.1k indexed · 3 hit papers · h-index 39

Impact in

Hepatology top 0.5%
- Liver Disease and Transplantation
Gastroenterology top 1%

Papers in

Hepatology 46
- Liver Disease and Transplantation 29
Transplantation 6

Co-authors: Wim Laleman Frederik Nevens Sebastian Suerbaum Mark Achtman Michiel Bronswijk Yoshan Moodley Bodo Linz Christine Bernsmeier
Journals: Endoscopy (17 papers)Journal of Hepatology (10 papers)Gastrointestinal Endoscopy (9 papers)Gastroenterology (5 papers)Digestive Endoscopy (5 papers)
Partner nations: Belgium South Africa Netherlands

In The Last Decade

Van der Merwe

212 papers receiving 6.0k citations

Hit Papers

align trajectories log scale

Therapeutic endoscopic ultrasound: European Society of Gastrointestinal Endoscopy (ESGE) Guideline 2021 · 213 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

2021 Endoscopy
2021 Nature Reviews Gastroenterology & Hepatology
2007 Nature

Peers

Countries citing papers authored by Van der Merwe

Since Specialization

Citations

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

Fields of papers citing papers by Van der Merwe

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Van der Merwe. 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 Van der Merwe. The network helps show where Van der Merwe may publish in the future.

Co-authorship network

The 25 scholars most cited alongside Van der Merwe, 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 Van der Merwe Line = papers co-authored together Van der Merwe links everyone, so they are left out of the graph.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

#	Work
1	Enteronephrohepatic circulation of bile acids and therapeutic potential of systemic bile acid transporter inhibitors Journal of Hepatology ·Ahmed Ghallab, Mattias Mandorfer, Guido Stirnimann, Joachim Geyer, Erik Lindström, Tom Luedde, Van der Merwe, Anne-Gaelle Collot, J. Furtner, Saul J. Karpen, Peter Fickert, Michael Trauner, Jan G. Hengstler, Paul A. Dawson	2025	3
2	Endoscopic ultrasound-guided portosystemic pressure gradient measurement vs. transjugular balloon occlusion measurement in patients with cirrhosis (ENCOUNTER): A bicentric EU study JHEP Reports ·Kaiwei Bao, Wim Laleman, Олена Іваненко, Geert Maleux, David R. Wagner, Chyon Yeh, Andrea Calvo, Oriol Sendino, Àngels Ginès, Anna Baiges, Marco J. Bruno, Juan Carlos García‐Pagán, Van der Merwe	2025	1
3	Phosphatidylethanol and ethyl glucuronide to categorize alcohol consumption in alcohol-related cirrhosis JHEP Reports ·Ravini Asri Mulyani, Catalina Dumitrascu, Nele Van den Eede, Hugo Neels, Hannah van Malenstein, Tom J.G. Gevers, Matthijs Kramer, V Z Drobizhev, Ad Masclee, Douwe de Boer, Van der Merwe, Frederik Nevens, Alexander L.N. van Nuijs, Jef Verbeek	2025	2
4	Utility and prognostic value of diagnosing MAFLD in patients undergoing liver transplantation for alcohol‐related liver disease Clinical Transplantation ·Ravini Asri Mulyani, Hannah van Malenstein, Tava CLEGHON, Ina Jochmans, David Cassiman, Diethard Monbaliu, Van der Merwe, Jacques Pirenne, Frederik Nevens, Jef Verbeek	2023	5
5	Managing dysfunctions and reinterventions in endoscopic ultrasound‐guided choledochoduodenostomy with lumen apposing metal stents: Illustrated technical review (with videos) Digestive Endoscopy ·Giuseppe Vanella, Giuseppe Dell’Anna, Roy L.J. van Wanrooij, Michiel Bronswijk, Rogier P. Voermans, Wim Laleman, Hannah van Malenstein, Paul Fockens, Van der Merwe, Paolo Giorgio Arcidiacono	2023	3
6	Outcomes of Minor versus Major Papilla Rendez-vous for EUS-guided Pancreatic Duct Drainage Endoscopy ·Michiel Bronswijk, D. Silberswieg, Hannah van Malenstein, Wim Laleman, Van der Merwe	2023	0
7	The use of endoscopic ultrasound in the diagnosis and management of portal hypertension Best Practice & Research Clinical Gastroenterology ·Wim Laleman, Kaiwei Bao, Van der Merwe, Kenneth J. Chang	2022	11
8	Therapeutic endoscopic ultrasound: European Society of Gastrointestinal Endoscopy (ESGE) Technical Review Endoscopy ·Roy L.J. van Wanrooij, Michiel Bronswijk, Rastislav Kunda, Simon Everett, Sundeep Lakhtakia, Mihai Rimbaș, Tomáš Hucl, Abdenor Badaoui, Ryan Law, Paolo Giorgio Arcidiacono, Alberto Larghi, Marc Giovannini, Mouen A. Khashab, Kenneth F. Binmoeller, Marc Barthet, Manuel Pérez‐Miranda, Jeanin E. van Hooft, Van der Merwe	2022	90
9	Therapeutic endoscopic ultrasound: European Society of Gastrointestinal Endoscopy (ESGE) Guideline Endoscopy ·Van der Merwe, Roy L.J. van Wanrooij, Michiel Bronswijk, Simon Everett, Sundeep Lakhtakia, Mihai Rimbaș, Tomáš Hucl, Rastislav Kunda, Abdenor Badaoui, Ryan Law, Paolo Giorgio Arcidiacono, Alberto Larghi, Marc Giovannini, Mouen A. Khashab, Kenneth F. Binmoeller, Marc Barthet, Manuel Pérez‐Miranda, Jeanin E. van Hooft Hit paper breakdown →	2021	213
10	At similar weight loss, dietary composition determines the degree of glycemic improvement in diet-induced obese C57BL/6 mice PLoS ONE ·Roman Vangoitsenhoven, Rohan Bastin, R. Sibson, João Paulo Monteiro Carvalho Móri da Cunha, Matthias Lannoo, Pierre Bédossa, Van der Merwe, Ann Mertens, Ina Gesquiere, Ann Meulemans, Christophe Matthys, Chantal Mathieu, Lut Overbergh, Bart Van der Schueren	2018	9
11	Percutaneous shunt reduction for the management of TIPS-induced acute liver decompensation: A follow-up study. SHILAP Revista de lepidopterología ·Samara Pires Brito, Frederik Nevens, Annouschka Laenen, Sam Heye, Wim Laleman, Chris Verslype, Van der Merwe, Geert Maleux	2017	12
12	Many faces of sectional title : a comparative survey of the inadequate legal treatment of non-residential sectional title schemes Van der Merwe	2016	1
13	Digital communication, democracy and active citizen engagement in South Africa Africa Insight ·Van der Merwe, Desy Nataliah, R J Kuklinski, Calder P. Mansfield	2013	2
14	World Gastroenterology Organisation Global Guidelines Helicobacter pylori in developing countries August 2010 : WGO global guidelines R H Hunt, Evi Selvi Muhammad Rizza Sabit Banani, Françis Mégraud, Raul León‐Barúa, Franco Bazzoli, Van der Merwe, Sarah Syme, Christopher Annus, S S Fedail, Hartley Cohen, Peter Malfertheiner, Nimish Vakil, Saeed Hamid, Renata Vettorazzi, Benjamin CY Wong, Justus Krabshuis, A. Mair	2011	16
15	Viral kinetics of HCV genotype 5 in South Africa patients treated with pegylated-interferon-alpha and Ribaviron Hepatology ·Martin Nieuwoudt, Arnon Arazi, Avidan U. Neumann, Van der Merwe	2007	1
16	Skinder as gespreksgenre : research article Literator ·Van der Merwe	2005	1
17	The relationship between thrusting, vertical shears, and open folds in the western part of the Namaqua mobile belt, South Africa South African Journal of Geology ·Van der Merwe	1995	6
18	[The community health nurse in the next decades]. PubMed ·Van der Merwe, Spencer Rutherford	1991	1
19	The Groothoek thrust belt in western Namaqualand; an example of a mid-crustal structure South African Journal of Geology ·Van der Merwe, Najdat Asker Mahmood	1989	10
20	White South African elites : a study of incumbents of top positions in the Republic of South Africa Van der Merwe, Guo Rao	1974	4

About Van der Merwe

Van der Merwe is a scholar working on Hepatology, Transplantation, Surgery, Epidemiology and Pulmonary and Respiratory Medicine, having authored 234 papers that have together received 6.1k indexed citations. Recurring topics across this work include Liver Disease Diagnosis and Treatment (44 papers), Gallbladder and Bile Duct Disorders (37 papers), Liver Disease and Transplantation (29 papers), Esophageal and GI Pathology (27 papers), Pancreatic and Hepatic Oncology Research (23 papers), Biliary and Gastrointestinal Fistulas (20 papers), Organ Transplantation Techniques and Outcomes (20 papers) and Pediatric Hepatobiliary Diseases and Treatments (18 papers). The work is most often cited by research in Hepatology (1.4k citations), Gastroenterology (392 citations), Surgery (3.1k citations), Epidemiology (1.9k citations) and Small Animals (319 citations). Van der Merwe has collaborated with scholars based in Belgium, South Africa and Netherlands. Frequent co-authors include Wim Laleman, Frederik Nevens, Sebastian Suerbaum, Mark Achtman, Michiel Bronswijk, Yoshan Moodley, Bodo Linz, Christine Bernsmeier, David Cassiman and David Y. Graham. Their work appears in journals such as Endoscopy, Journal of Hepatology, Gastrointestinal Endoscopy, Gastroenterology and Digestive Endoscopy.

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.

Explore authors with similar magnitude of impact