T. Jóhannesson

1.3k total citations · 1 hit paper
12 papers, 1.1k citations indexed

About

T. Jóhannesson is a scholar working on Pharmacology, Health, Toxicology and Mutagenesis and Surgery. According to data from OpenAlex, T. Jóhannesson has authored 12 papers receiving a total of 1.1k indexed citations (citations by other indexed papers that have themselves been cited), including 3 papers in Pharmacology, 3 papers in Health, Toxicology and Mutagenesis and 2 papers in Surgery. Recurrent topics in T. Jóhannesson's work include Trace Elements in Health (2 papers), Toxic Organic Pollutants Impact (2 papers) and Avian ecology and behavior (1 paper). T. Jóhannesson is often cited by papers focused on Trace Elements in Health (2 papers), Toxic Organic Pollutants Impact (2 papers) and Avian ecology and behavior (1 paper). T. Jóhannesson collaborates with scholars based in Iceland, Sweden and Germany. T. Jóhannesson's co-authors include Per Ola Darnerud, Matti Viluksela, Gunnar Sundstøl Eriksen, Poul Larsen, Jón Snædal, Jakob Kristinsson, Aðalheiður Ólafsdóttir, Kristín Ólafsdóttir, Karl Skírnisson and Ellen Magnúsdóttir and has published in prestigious journals such as Environmental Health Perspectives, Environmental Pollution and Dementia and Geriatric Cognitive Disorders.

In The Last Decade

T. Jóhannesson

12 papers receiving 1.0k 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.

Polybrominated diphenyl ethers: occurrence, dietary exposure, and toxicology.

2001 905 citations Per Ola Darnerud, Gunnar Sundstøl Eriksen et al. Environmental Health Perspectives profile →

Peers

T. Jóhannesson

HTM

POLLU

CR

EC

MB

Ján Petrı́k Slovakia

David T. Szabo United States

Beata Drobná Slovakia

Rocío F. Cantón Netherlands

Shaun White United Kingdom

Nadia Abdelouahab Canada

Britta Fängström Sweden

Anne Riu France

Takashi KASHIMOTO Japan

Gyuyeon Choi South Korea

Ján Petrı́k Slovakia

T. Jóhannesson

1.2k ×1.4

HTM

163 ×0.7

POLLU

368 ×2.4

CR

105 ×1.2

EC

98 ×1.6

MB

Citations per year, relative to T. Jóhannesson T. Jóhannesson (= 1×) peers Ján Petrı́k

Countries citing papers authored by T. Jóhannesson

Since Specialization

Citations

This map shows the geographic impact of T. Jóhannesson'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 T. Jóhannesson with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites T. Jóhannesson more than expected).

Fields of papers citing papers by T. Jóhannesson

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of T. Jóhannesson

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

All Works

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12 of 12 papers shown

1.

Schölmerich, Jürgen, T. Jóhannesson, B Wimmer, et al.. (2008). Die Sonographie bei der akuten Pankreatitis - Diagnose, Ätiologieklärung und Prognoseabschätzung. Ultraschall in der Medizin - European Journal of Ultrasound. 10(6). 290–294. 1 indexed citations

2.

Sigurðarson, Sigurður, et al.. (2006). Iron and iron/manganese ratio in forage from Icelandic sheep farms: relation to scrapie. Acta veterinaria Scandinavica. 48(1). 16–16. 13 indexed citations

3.

Darnerud, Per Ola, Gunnar Sundstøl Eriksen, T. Jóhannesson, Poul Larsen, & Matti Viluksela. (2001). Polybrominated diphenyl ethers: occurrence, dietary exposure, and toxicology.. Environmental Health Perspectives. 109(suppl 1). 49–68. 905 indexed citations breakdown →

4.

Magnúsdóttir, Ellen, et al.. (2001). Persistent organochlorine levels in six prey species of the gyrfalcon Falco rusticolus in Iceland. Environmental Pollution. 112(2). 245–251. 25 indexed citations

5.

Jóhannesson, T.. (2000). [Aspirin. Acetylsalicylic acid and aspirinlike drugs. A review.].. PubMed. 86(11). 755–68. 2 indexed citations

6.

Snædal, Jón, et al.. (1998). Copper, Ceruloplasmin and Superoxide Dismutase in Patients with Alzheimer’s Disease. Dementia and Geriatric Cognitive Disorders. 9(5). 239–242. 59 indexed citations

7.

Ólafsdóttir, Kristín, et al.. (1998). Seasonal fluctuations of organochlorine levels in the common eider (Somateria mollissima) in Iceland. Environmental Pollution. 103(2-3). 153–158. 19 indexed citations

8.

Kristinsson, Jakob, et al.. (1996). Pharmacokinetics of lignocaine in Icelandic horses after infiltration anaesthesia. Veterinary Record. 138(5). 111–112. 4 indexed citations

9.

Snædal, Jón, et al.. (1996). The Effects of Nicotine in Dermal Plaster on Cognitive Functions in Patients with Alzheimers Disease. Dementia and Geriatric Cognitive Disorders. 7(1). 47–52. 34 indexed citations

10.

Gunnarsson, E., et al.. (1983). “Haysickness” in Icelandic horses: Precipitin tests and other studies. Equine Veterinary Journal. 15(3). 229–232. 9 indexed citations

11.

Kristinsson, Jakob, T. Jóhannesson, Ó. Bjarnason, & Guðmundur Geirsson. (1983). Organ Levels of Amitriptyline and Nortriptyline in Fatal Amitriptyline Poisoning. Acta Pharmacologica et Toxicologica. 52(2). 150–152. 7 indexed citations

12.

Guðmundsson, Gunnar, et al.. (1965). [METHYL CHLORIDE POISONING].. PubMed. 73. 150–4. 3 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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