Peter Holger Johnsen

702 total citations · 1 hit paper
9 papers, 419 citations indexed

About

Peter Holger Johnsen is a scholar working on Infectious Diseases, Gastroenterology and Epidemiology. According to data from OpenAlex, Peter Holger Johnsen has authored 9 papers receiving a total of 419 indexed citations (citations by other indexed papers that have themselves been cited), including 7 papers in Infectious Diseases, 7 papers in Gastroenterology and 5 papers in Epidemiology. Recurrent topics in Peter Holger Johnsen's work include Gastrointestinal motility and disorders (7 papers), Clostridium difficile and Clostridium perfringens research (7 papers) and Microscopic Colitis (4 papers). Peter Holger Johnsen is often cited by papers focused on Gastrointestinal motility and disorders (7 papers), Clostridium difficile and Clostridium perfringens research (7 papers) and Microscopic Colitis (4 papers). Peter Holger Johnsen collaborates with scholars based in Norway. Peter Holger Johnsen's co-authors include Rasmus Goll, Per Christian Valle, Jorunn Pauline Cavanagh, Joseph Diab, Erik Hjerde, Frederik Emil Juul, Øystein Arlov, Johannes R. Hov, Birgit Abelsen and Sveinung Wergeland Sørbye and has published in prestigious journals such as Atherosclerosis, BMJ Open and Scandinavian Journal of Gastroenterology.

In The Last Decade

Peter Holger Johnsen

9 papers receiving 409 citations

Hit Papers

Faecal microbiota transplantation versus placebo for mode... 2017 2026 2020 2023 2017 100 200 300
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. Faecal microbiota transplantation versus placebo for moderate-to-severe irritable bowel syndrome: a double-blind, randomised, placebo-controlled, parallel-group, single-centre trial
    2017 309 citations Peter Holger Johnsen, Jorunn Pauline Cavanagh et al. ˜The œLancet. Gastroenterology & hepatology profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Peter Holger Johnsen Norway 6 276 241 236 85 59 9 419
Alice Højer Christensen Denmark 7 256 0.9× 249 1.0× 255 1.1× 92 1.1× 50 0.8× 8 392
Stig Günther Denmark 6 248 0.9× 235 1.0× 247 1.0× 92 1.1× 49 0.8× 9 376
Tatsuhiro Masaoka Japan 6 173 0.6× 379 1.6× 150 0.6× 55 0.6× 44 0.7× 6 517
Lihua Peng China 12 147 0.5× 178 0.7× 103 0.4× 179 2.1× 32 0.5× 21 415
Keren Hod Israel 13 169 0.6× 101 0.4× 67 0.3× 174 2.0× 73 1.2× 40 421
Juan José Sebastián Domingo Spain 11 177 0.6× 98 0.4× 49 0.2× 105 1.2× 37 0.6× 31 382
Margaret K. Breen‐Lyles United States 10 155 0.6× 70 0.3× 75 0.3× 104 1.2× 66 1.1× 19 342
Sean Bennet Sweden 8 348 1.3× 206 0.9× 51 0.2× 104 1.2× 39 0.7× 12 469
Hyun Ho Choi South Korea 10 113 0.4× 179 0.7× 133 0.6× 117 1.4× 68 1.2× 40 454
Alberto Zalar France 9 214 0.8× 57 0.2× 61 0.3× 142 1.7× 35 0.6× 14 346

Countries citing papers authored by Peter Holger Johnsen

Since Specialization
Citations

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

Fields of papers citing papers by Peter Holger Johnsen

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Peter Holger Johnsen. 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 Peter Holger Johnsen. The network helps show where Peter Holger Johnsen may publish in the future.

Co-authorship network of co-authors of Peter Holger Johnsen

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

All Works

9 of 9 papers shown
1.
2.
Garborg, Kjetil, et al.. (2024). 669 MITRIC: microbiota transplant to cancer patients progressing on immunotherapy using feces from clinical responders. Regular and Young Investigator Award Abstracts. A767–A767. 6 indexed citations
3.
Valle, Per Christian, et al.. (2023). Colonic distribution of FMT by different enema procedures compared to colonoscopy – proof of concept study using contrast fluid. BMC Gastroenterology. 23(1). 363–363. 11 indexed citations
4.
Johnsen, Peter Holger, et al.. (2023). Randomised, placebo-controlled, double-blinded trial of fecal microbiota transplantation in severe obesity: a study protocol. BMJ Open. 13(12). e073242–e073242. 2 indexed citations
5.
Goll, Rasmus, Peter Holger Johnsen, Erik Hjerde, et al.. (2020). Effects of fecal microbiota transplantation in subjects with irritable bowel syndrome are mirrored by changes in gut microbiome. Gut Microbes. 12(1). 1794263–1794263. 40 indexed citations
6.
7.
Johnsen, Peter Holger, et al.. (2017). Faecal microbiota transplantation versus placebo for moderate-to-severe irritable bowel syndrome: a double-blind, randomised, placebo-controlled, parallel-group, single-centre trial. ˜The œLancet. Gastroenterology & hepatology. 3(1). 17–24. 309 indexed citations breakdown →
8.
Johnsen, Peter Holger, et al.. (2017). Fecal microbiota transplantation in irritable bowel syndrome does not affect plasma lipids or LDL and HDL subfractions. Atherosclerosis. 263. e206–e206. 1 indexed citations
9.
Johnsen, Peter Holger, et al.. (2016). Microscopic colitis: a missed diagnosis among patients with moderate to severe irritable bowel syndrome. Scandinavian Journal of Gastroenterology. 52(2). 173–177. 7 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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