Sonja Löfmark

4.1k total citations · 3 hit papers
23 papers, 3.0k citations indexed

About

Sonja Löfmark is a scholar working on Infectious Diseases, Clinical Biochemistry and Applied Microbiology and Biotechnology. According to data from OpenAlex, Sonja Löfmark has authored 23 papers receiving a total of 3.0k indexed citations (citations by other indexed papers that have themselves been cited), including 9 papers in Infectious Diseases, 9 papers in Clinical Biochemistry and 8 papers in Applied Microbiology and Biotechnology. Recurrent topics in Sonja Löfmark's work include Bacterial Identification and Susceptibility Testing (9 papers), Antibiotic Use and Resistance (8 papers) and Clostridium difficile and Clostridium perfringens research (8 papers). Sonja Löfmark is often cited by papers focused on Bacterial Identification and Susceptibility Testing (9 papers), Antibiotic Use and Resistance (8 papers) and Clostridium difficile and Clostridium perfringens research (8 papers). Sonja Löfmark collaborates with scholars based in Sweden, United States and Canada. Sonja Löfmark's co-authors include Charlotta Edlund, Cecilia Jernberg, Janet Jansson, Carl Erik Nord, Dan I. Andersson, Bengt Wretlind, Elisabeth Kugelberg, Hong Fang, Maria Hedberg and Sofia Ny and has published in prestigious journals such as PLoS ONE, Clinical Infectious Diseases and Journal of Cell Science.

In The Last Decade

Sonja Löfmark

23 papers receiving 2.9k citations

Hit Papers

Long-term ecological impacts of antibiotic administration... 2007 2026 2013 2019 2007 2010 2010 250 500 750
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. Long-term ecological impacts of antibiotic administration on the human intestinal microbiota
    2007 807 citations Cecilia Jernberg, Sonja Löfmark et al. The ISME Journal profile →
  2. Long-term impacts of antibiotic exposure on the human intestinal microbiota
    2010 774 citations Cecilia Jernberg, Sonja Löfmark et al. Microbiology profile →
  3. Metronidazole Is Still the Drug of Choice for Treatment of Anaerobic Infections
    2010 474 citations Sonja Löfmark, Charlotta Edlund et al. Clinical Infectious Diseases profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Sonja Löfmark Sweden 17 1.4k 968 519 484 344 23 3.0k
John E. Degener Netherlands 28 1.1k 0.8× 891 0.9× 291 0.6× 718 1.5× 589 1.7× 40 3.8k
Éric Batard France 24 905 0.7× 631 0.7× 360 0.7× 585 1.2× 141 0.4× 102 2.7k
Paul H. M. Savelkoul Netherlands 38 1.9k 1.4× 726 0.8× 267 0.5× 770 1.6× 73 0.2× 113 3.9k
David Skurnik France 31 2.1k 1.5× 949 1.0× 1.3k 2.5× 715 1.5× 173 0.5× 56 4.8k
Shira Doron United States 20 643 0.5× 605 0.6× 193 0.4× 466 1.0× 391 1.1× 81 2.2k
Pallab Ray India 37 1.2k 0.9× 1.3k 1.4× 985 1.9× 1.2k 2.6× 446 1.3× 261 5.1k
Vanessa Vankerckhoven Belgium 27 1.3k 1.0× 886 0.9× 314 0.6× 864 1.8× 804 2.3× 48 4.1k
Susan Whittier United States 41 820 0.6× 1.9k 1.9× 973 1.9× 1.5k 3.2× 391 1.1× 118 4.7k
Cecilia Jernberg Sweden 22 1.8k 1.3× 1.0k 1.1× 305 0.6× 418 0.9× 63 0.2× 42 3.3k
Glenn Tillotson United States 30 508 0.4× 914 0.9× 578 1.1× 1.1k 2.3× 248 0.7× 146 3.1k

Countries citing papers authored by Sonja Löfmark

Since Specialization
Citations

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

Fields of papers citing papers by Sonja Löfmark

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Sonja Löfmark

This figure shows the co-authorship network connecting the top 25 collaborators of Sonja Löfmark. A scholar is included among the top collaborators of Sonja Löfmark 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 Sonja Löfmark. Sonja Löfmark 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.
Brankston, Gabrielle, Jean‐Paul Soucy, Anette Hulth, et al.. (2024). An Evaluation of the Impact of an OPEN Stewardship Generated Feedback Intervention on Antibiotic Prescribing among Primary Care Veterinarians in Canada and Israel. Animals. 14(4). 626–626. 1 indexed citations
2.
Low, Marcelo, Moriah Ellen, Anette Hulth, et al.. (2024). Evaluation of an automated feedback intervention to improve antibiotic prescribing among primary care physicians (OPEN Stewardship): a multinational controlled interrupted time-series study. Microbiology Spectrum. 12(4). e0001724–e0001724. 2 indexed citations
3.
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5.
Tomczyk, Sara, Allison C. Brown, Marlieke E.A. de Kraker, et al.. (2021). Impact of the COVID-19 pandemic on the surveillance, prevention and control of antimicrobial resistance: a global survey. Journal of Antimicrobial Chemotherapy. 76(11). 3045–3058. 113 indexed citations
6.
Mölstad, Sigvard, Sonja Löfmark, Mats Erntell, et al.. (2017). Lessons learnt during 20 years of the Swedish strategic programme against antibiotic resistance. Bulletin of the World Health Organization. 95(11). 764–773. 132 indexed citations
7.
Börjesson, Stefan, Sofia Ny, Maria Egervärn, et al.. (2016). Limited Dissemination of Extended-Spectrum β-Lactamase– and Plasmid-Encoded AmpC–ProducingEscherichia colifrom Food and Farm Animals, Sweden. Emerging infectious diseases. 22(4). 634–640. 58 indexed citations
8.
Ny, Sofia, Sonja Löfmark, Stefan Börjesson, et al.. (2016). Community carriage of ESBL-producingEscherichia coliis associated with strains of low pathogenicity: a Swedish nationwide study. Journal of Antimicrobial Chemotherapy. 72(2). 582–588. 73 indexed citations
9.
Löfmark, Sonja, Karin Sjöström, Barbro Mäkitalo, et al.. (2015). Carbapenemase-producing Enterobacteriaceae in Sweden 2007–2013: Experiences from seven years of systematic surveillance and mandatory reporting. Drug Resistance Updates. 20. 29–38. 33 indexed citations
10.
Vielfort, Katarina, et al.. (2013). Lactobacillus Decelerates Cervical Epithelial Cell Cycle Progression. PLoS ONE. 8(5). e63592–e63592. 8 indexed citations
11.
Löfmark, Sonja, et al.. (2011). Neisseria gonorrhoeae Infection Induces Altered Amphiregulin Processing and Release. PLoS ONE. 6(1). e16369–e16369. 19 indexed citations
12.
Löfmark, Sonja, Charlotta Edlund, & Carl Erik Nord. (2010). Metronidazole Is Still the Drug of Choice for Treatment of Anaerobic Infections. Clinical Infectious Diseases. 50(s1). S16–S23. 474 indexed citations breakdown →
13.
Jernberg, Cecilia, Sonja Löfmark, Charlotta Edlund, & Janet Jansson. (2010). Long-term impacts of antibiotic exposure on the human intestinal microbiota. Microbiology. 156(11). 3216–3223. 774 indexed citations breakdown →
14.
Löfmark, Sonja, et al.. (2009). Prolonged impact of a one-week course of clindamycin on Enterococcus spp. in human normal microbiota. Scandinavian Journal of Infectious Diseases. 41(3). 215–219. 23 indexed citations
15.
Löfmark, Sonja, Cecilia Jernberg, Hanna Billström, Dan I. Andersson, & Charlotta Edlund. (2008). Restored fitness leads to long-term persistence of resistant Bacteroides strains in the human intestine. Anaerobe. 14(3). 157–160. 17 indexed citations
16.
Jernberg, Cecilia, Sonja Löfmark, Charlotta Edlund, & Janet Jansson. (2007). Long-term ecological impacts of antibiotic administration on the human intestinal microbiota. The ISME Journal. 1(1). 56–66. 807 indexed citations breakdown →
17.
Österblad, Monica, Antti Hakanen, Sonja Löfmark, et al.. (2007). Long-term antimicrobial resistance in Escherichia coli from human intestinal microbiota after administration of clindamycin. Scandinavian Journal of Infectious Diseases. 39(6-7). 514–520. 22 indexed citations
18.
Löfmark, Sonja, Cecilia Jernberg, Janet Jansson, & Charlotta Edlund. (2006). Clindamycin-induced enrichment and long-term persistence of resistant Bacteroides spp. and resistance genes. Journal of Antimicrobial Chemotherapy. 58(6). 1160–1167. 135 indexed citations
19.
Oprica, Cristina, Sonja Löfmark, Bodil Lund, et al.. (2005). Genetic basis of resistance in Propionibacterium acnes strains isolated from diverse types of infection in different European countries. Anaerobe. 11(3). 137–143. 37 indexed citations
20.
Kugelberg, Elisabeth, Sonja Löfmark, Bengt Wretlind, & Dan I. Andersson. (2004). Reduction of the fitness burden of quinolone resistance in Pseudomonas aeruginosa. Journal of Antimicrobial Chemotherapy. 55(1). 22–30. 107 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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