Leif Percival Andersen

4.4k total citations · 1 hit paper
97 papers, 3.3k citations indexed

About

Leif Percival Andersen is a scholar working on Surgery, Immunology and Infectious Diseases. According to data from OpenAlex, Leif Percival Andersen has authored 97 papers receiving a total of 3.3k indexed citations (citations by other indexed papers that have themselves been cited), including 58 papers in Surgery, 23 papers in Immunology and 18 papers in Infectious Diseases. Recurrent topics in Leif Percival Andersen's work include Helicobacter pylori-related gastroenterology studies (58 papers), Eosinophilic Esophagitis (22 papers) and Galectins and Cancer Biology (20 papers). Leif Percival Andersen is often cited by papers focused on Helicobacter pylori-related gastroenterology studies (58 papers), Eosinophilic Esophagitis (22 papers) and Galectins and Cancer Biology (20 papers). Leif Percival Andersen collaborates with scholars based in Denmark, Sweden and United States. Leif Percival Andersen's co-authors include Françis Mégraud, Alexander M. Hirschl, M López-Brea, Samuel Coenen, Ann Versporten, Y. Glupczynski, Herman Goossens, Manfred Kist, Torkel Wadström and Henrik Permin and has published in prestigious journals such as Gastroenterology, Gut and Journal of Clinical Microbiology.

In The Last Decade

Leif Percival Andersen

95 papers receiving 3.1k citations

Hit Papers

align trajectories

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.

Helicobacter pylori resistance to antibiotics in Europe and its relationship to antibiotic consumption

2012 648 citations Françis Mégraud, Samuel Coenen et al. Gut profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Leif Percival Andersen Denmark	32	1.8k	580	574	569	545	97	3.3k
Mónica Oleastro Portugal	34	1.3k 0.7×	547 0.9×	539 0.9×	243 0.4×	562 1.0×	110	3.0k
Lyudmila Boyanova Bulgaria	31	1.3k 0.7×	586 1.0×	468 0.8×	311 0.5×	260 0.5×	105	2.5k
Luigina Cellini Italy	34	1.3k 0.7×	467 0.8×	424 0.7×	196 0.3×	928 1.7×	128	4.0k
Stella Smith Nigeria	28	1.0k 0.6×	261 0.5×	434 0.8×	245 0.4×	565 1.0×	158	2.9k
Manfred Kist Germany	42	3.6k 2.0×	1.2k 2.1×	1.0k 1.8×	717 1.3×	737 1.4×	128	5.5k
Stuart L. Hazell Australia	36	3.2k 1.7×	830 1.4×	382 0.7×	564 1.0×	729 1.3×	81	4.0k
C. S. Goodwin Australia	28	4.0k 2.2×	1.3k 2.2×	509 0.9×	901 1.6×	397 0.7×	74	4.7k
Asish K. Mukhopadhyay India	41	1.4k 0.8×	545 0.9×	616 1.1×	154 0.3×	988 1.8×	207	5.6k
Doyle J. Evans United States	41	4.3k 2.4×	816 1.4×	1.3k 2.2×	1.4k 2.5×	955 1.8×	62	8.0k
Masanori Sasatsu Japan	32	584 0.3×	328 0.6×	829 1.4×	135 0.2×	914 1.7×	112	3.0k

Countries citing papers authored by Leif Percival Andersen

Since Specialization

Citations

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

Fields of papers citing papers by Leif Percival Andersen

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Leif Percival Andersen. 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 Leif Percival Andersen. The network helps show where Leif Percival Andersen may publish in the future.

Co-authorship network of co-authors of Leif Percival Andersen

This figure shows the co-authorship network connecting the top 25 collaborators of Leif Percival Andersen. A scholar is included among the top collaborators of Leif Percival Andersen 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 Leif Percival Andersen. Leif Percival Andersen 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

Chen, Ming, Lin Zhai, Kristian Schønning, et al.. (2024). Protective Effects of Huo Xiang Zheng Qi Liquid on Clostridioides difficile Infection on C57BL/6 Mice. Microorganisms. 12(8). 1602–1602.

Coia, John, Jørgen Engberg, Leif Percival Andersen, et al.. (2024). Impact of COVID-19 Restrictions on Incidence of Enteropathogenic Bacteria, Virus, and Parasites in Denmark: A National, Register-Based Study. Microorganisms. 12(6). 1224–1224. 2 indexed citations

Nielsen, Hans Linde, Peter Bytzer, John Coia, et al.. (2023). The incidence of laboratory-confirmed cases of enteric pathogens in Denmark 2018: a national observational study. Infectious Diseases. 55(5). 340–350. 5 indexed citations

Persson, Søren, Hans Linde Nielsen, John Coia, et al.. (2022). Sentinel surveillance and epidemiology of Clostridioides difficile in Denmark, 2016 to 2019. Eurosurveillance. 27(49). 10 indexed citations

Andersen, Leif Percival, et al.. (2022). Helicobacter trogontum Bacteremia and Lower Limb Skin Lesion in a Patient with X-Linked Agammaglobulinemia—A Case Report and Review of the Literature. Pathogens. 11(11). 1247–1247. 2 indexed citations

Kampmann, Peter, et al.. (2019). Ruminococcus gnavus bacteraemia in a patient with multiple haematological malignancies. Access Microbiology. 1(8). e000048–e000048. 18 indexed citations

Kupčinskas, Juozas, et al.. (2017). Primary antibiotic resistance of Helicobacter pylori strains among adults and children in a tertiary referral centre in Lithuania. Apmis. 126(1). 21–28. 15 indexed citations

Bartels, Mette Damkjær, Hanna Larner-Svensson, K. Kristoffersen, et al.. (2015). Monitoring meticillin resistant Staphylococcus aureus and its spread in Copenhagen, Denmark, 2013, through routine whole genome sequencing. Eurosurveillance. 20(17). 34 indexed citations

Tan, Sean Yang-Yi, Song Lin Chua, Yang Liu, et al.. (2013). Comparative Genomic Analysis of Rapid Evolution of an Extreme-Drug-Resistant Acinetobacter baumannii Clone. Genome Biology and Evolution. 5(5). 807–818. 35 indexed citations

10.

Mégraud, Françis, Samuel Coenen, Ann Versporten, et al.. (2012). Helicobacter pylori resistance to antibiotics in Europe and its relationship to antibiotic consumption. Gut. 62(1). 34–42. 648 indexed citations breakdown →

11.

Kupčinskas, Limas, et al.. (2010). High rate of H. pylori resistance to clarithromycin in children in comparison to adults in Lithuania. Lithuanian University of Health Sciences. 1 indexed citations

12.

Andersen, Leif Percival, et al.. (2009). Helicobacter pylori-coccoid forms and biofilm formation. FEMS Immunology & Medical Microbiology. 56(2). 112–115. 80 indexed citations

13.

Aabenhus, Rune, Stephen L. W. On, Berit L. Siemer, Henrik Permin, & Leif Percival Andersen. (2005). Delineation of Campylobacter concisus Genomospecies by Amplified Fragment Length Polymorphism Analysis and Correlation of Results with Clinical Data. Journal of Clinical Microbiology. 43(10). 5091–5096. 44 indexed citations

14.

Kupčinskas, Limas, et al.. (2004). Helicobacter pyloriantibodies and gastric cancer: a gender-related difference. FEMS Immunology & Medical Microbiology. 44(2). 191–195. 16 indexed citations

15.

Hansen, Per Syrak, et al.. (2001). Helicobacter felisdoes not stimulate human neutrophil oxidative burst in contrast to ‘Gastrospirillum hominis’ andHelicobacter pylori. FEMS Immunology & Medical Microbiology. 30(3). 187–195. 4 indexed citations

16.

Chen, Ming, Leif Percival Andersen, Lin Zhai, & Arsalan Kharazmi. (1999). Characterization of the respiratory chain ofHelicobacter pylori. FEMS Immunology & Medical Microbiology. 24(2). 169–174. 23 indexed citations

17.

Rosenstock, Steffen Jais, Lise Kay, C. Rosenstock, et al.. (1997). Relation between Helicobacter pylori infection and gastrointestinal symptoms and syndromes. Gut. 41(2). 169–176. 73 indexed citations

18.

Andersen, Leif Percival, A. Bremmelgaard, Hanne Colding, et al.. (1997). Antimicrobial susceptibility testing of 230 Helicobacter pylori strains: importance of medium, inoculum, and incubation time. Antimicrobial Agents and Chemotherapy. 41(12). 2634–2639. 50 indexed citations

19.

Nørgaard, A., Leif Percival Andersen, L Elsborg, S Holck, & Henrik Nielsen. (1996). Specific Neutrophil Hyporesponsiveness in Chronic Helicobacter pylori Infection. The Journal of Infectious Diseases. 174(3). 544–551. 13 indexed citations

20.

Andersen, Leif Percival, Jens Blom, & Henrik Nielsen. (1993). Survival and ultrastructural changes of Helicobacter pylori after phagocytosis by human polymorphonuclear leukocytes and monocytes. Apmis. 101(1-6). 61–72. 51 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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