Mark Sonderup

5.9k total citations · 1 hit paper
64 papers, 1.1k citations indexed

About

Mark Sonderup is a scholar working on Epidemiology, Hepatology and Infectious Diseases. According to data from OpenAlex, Mark Sonderup has authored 64 papers receiving a total of 1.1k indexed citations (citations by other indexed papers that have themselves been cited), including 46 papers in Epidemiology, 43 papers in Hepatology and 13 papers in Infectious Diseases. Recurrent topics in Mark Sonderup's work include Hepatitis B Virus Studies (28 papers), Hepatitis C virus research (27 papers) and Liver Disease Diagnosis and Treatment (20 papers). Mark Sonderup is often cited by papers focused on Hepatitis B Virus Studies (28 papers), Hepatitis C virus research (27 papers) and Liver Disease Diagnosis and Treatment (20 papers). Mark Sonderup collaborates with scholars based in South Africa, United Kingdom and United States. Mark Sonderup's co-authors include C Wendy Spearman, Margaret Hellard, Geoffrey Dusheiko, Simon D. Taylor‐Robinson, Helen Wainwright, Asmaa Gomaa, Imam Waked, Zameer Mohamed, Nishi Prabdial‐Sing and Andrew Scheibe and has published in prestigious journals such as The Lancet, SHILAP Revista de lepidopterología and PLoS ONE.

In The Last Decade

Mark Sonderup

56 papers receiving 1.0k citations

Hit Papers

Hepatitis C 2019 2026 2021 2023 2019 50 100 150 200 250
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Hepatitis C
    2019 279 citations C Wendy Spearman, Mark Sonderup et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Mark Sonderup South Africa 18 715 671 272 61 53 64 1.1k
Joop E. Arends Netherlands 19 644 0.9× 687 1.0× 346 1.3× 24 0.4× 45 0.8× 91 1.1k
Stéphanie Dominguez France 16 553 0.8× 518 0.8× 590 2.2× 31 0.5× 39 0.7× 39 1.1k
Mar Riveiro‐Barciela Spain 20 799 1.1× 991 1.5× 286 1.1× 33 0.5× 53 1.0× 100 1.3k
Andrea Mariano Italy 15 813 1.1× 708 1.1× 170 0.6× 17 0.3× 29 0.5× 34 1.0k
Mariantonietta Pisaturo Italy 26 1.4k 1.9× 1.3k 1.9× 257 0.9× 22 0.4× 137 2.6× 102 1.8k
C Wendy Spearman South Africa 20 798 1.1× 835 1.2× 247 0.9× 117 1.9× 114 2.2× 89 1.4k
Nicolás Merchante Spain 21 980 1.4× 1.1k 1.6× 406 1.5× 20 0.3× 35 0.7× 64 1.4k
Claudia Martorell United States 14 598 0.8× 629 0.9× 467 1.7× 39 0.6× 76 1.4× 28 1.3k
José Vicente Fernández-Montero Spain 21 712 1.0× 749 1.1× 441 1.6× 25 0.4× 95 1.8× 59 1.1k
Kasha P. Singh Australia 13 598 0.8× 343 0.5× 395 1.5× 44 0.7× 74 1.4× 40 955

Countries citing papers authored by Mark Sonderup

Since Specialization
Citations

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

Fields of papers citing papers by Mark Sonderup

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Mark Sonderup. 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 Mark Sonderup. The network helps show where Mark Sonderup may publish in the future.

Co-authorship network of co-authors of Mark Sonderup

This figure shows the co-authorship network connecting the top 25 collaborators of Mark Sonderup. A scholar is included among the top collaborators of Mark Sonderup 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 Mark Sonderup. Mark Sonderup is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
2.
Sonderup, Mark, et al.. (2025). A decentralized point of service triple prevention and treatment model for hepatitis B, C and HIV in people who inject drugs in South Africa. International Journal of Drug Policy. 143. 104894–104894.
3.
4.
Kotze, U., M. Bernon, Barbara Robertson, et al.. (2025). The spectrum and outcome of metastatic hepatocellular carcinoma in a South African patient cohort. HPB. 27(4). 572–581.
5.
Sobnach, Sanju, Kobus Venter, J E J Krige, et al.. (2025). Healthcare Disparities in the Treatment and Outcomes of Hepatocellular Carcinoma in South Africa. World Journal of Surgery. 49(5). 1290–1297.
6.
Sonderup, Mark & C Wendy Spearman. (2024). HBV elimination in Africa—Current status and challenges. Clinical Liver Disease. 23(1). e0166–e0166. 4 indexed citations
7.
Balwani, Manisha, Sioḃán Keel, Peter N. Meissner, et al.. (2024). Case‐based discussion of the acute hepatic porphyrias: Updates on pathogenesis, diagnosis and management. Liver International. 45(3). e15924–e15924. 1 indexed citations
8.
Sobnach, Sanju, U. Kotze, M. Bernon, et al.. (2024). Prevalence, management and outcomes of pulmonary metastases in hepatocellular carcinoma: a systematic review and meta-analysis. HPB. 26(11). 1339–1348. 1 indexed citations
9.
Sonderup, Mark, et al.. (2023). Ivermectin drug induced liver injury. South African Medical Journal. 113(6). 24–25. 4 indexed citations
10.
Sobnach, Sanju, U. Kotze, C Wendy Spearman, et al.. (2023). The management and outcomes of hepatocellular carcinoma in sub-Saharan Africa: a systematic review. HPB. 26(1). 21–33. 5 indexed citations
11.
Spearman, C Wendy, Alessio Aghemo, Luca Valenti, & Mark Sonderup. (2021). COVID‐19 and the liver: A 2021 update. Liver International. 41(9). 1988–1998. 26 indexed citations
12.
Sonderup, Mark, et al.. (2021). Expanding the epidemiological understanding of hepatitis C in South Africa: Perspectives from a patient cohort in a rural town. South African Medical Journal. 111(8). 783–783. 2 indexed citations
13.
14.
Corrigall, Anne V., et al.. (2016). Molecular characterisation of acute intermittent porphyria in a cohort of South African patients and kinetic analysis of two expressed mutants. Journal of Clinical Pathology. 70(6). 515–520. 2 indexed citations
15.
Madden, R.G., Sebastian Wallace, Mark Sonderup, et al.. (2016). Hepatitis E virus: Western Cape, South Africa. World Journal of Gastroenterology. 22(44). 9853–9853. 24 indexed citations
16.
Sonderup, Mark, et al.. (2013). Jaundice and an itch following a fall. CME/Continuing medical education. 31(7). 270–271. 1 indexed citations
17.
Ntusi, Ntobeko & Mark Sonderup. (2011). HIV/AIDS affects blood and blood product use at Groote Schuur Hospital, Cape Town.. PubMed. 101(7). 463–6. 9 indexed citations
18.
Meintjes, Graeme & Mark Sonderup. (2011). A practical approach to the diagnosis and management of paradoxical tuberculosis immune reconstitution inflammatory syndrome. CME/Continuing medical education. 29(10). 410–415. 11 indexed citations
19.
Sonderup, Mark. (2011). Drug-induced liver injuries. CME/Continuing medical education. 29(6). 244–246. 3 indexed citations
20.
Peter, Jonny & Mark Sonderup. (2008). Diagnosing multiple opportunistic infections: the value of a liver biopsy. Southern African Journal of HIV Medicine. 9(4). 51–52. 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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