Njaal Stray

3.2k total citations · 1 hit paper
28 papers, 1.8k citations indexed

About

Njaal Stray is a scholar working on Epidemiology, Surgery and Genetics. According to data from OpenAlex, Njaal Stray has authored 28 papers receiving a total of 1.8k indexed citations (citations by other indexed papers that have themselves been cited), including 13 papers in Epidemiology, 12 papers in Surgery and 12 papers in Genetics. Recurrent topics in Njaal Stray's work include Inflammatory Bowel Disease (11 papers), Microscopic Colitis (11 papers) and Gastrointestinal Bleeding Diagnosis and Treatment (4 papers). Njaal Stray is often cited by papers focused on Inflammatory Bowel Disease (11 papers), Microscopic Colitis (11 papers) and Gastrointestinal Bleeding Diagnosis and Treatment (4 papers). Njaal Stray collaborates with scholars based in Norway, Sweden and India. Njaal Stray's co-authors include Jostein Sauar, I. Lygren, Bjørn Moum, Morten H. Vatn, Jørgen Jahnsen, Inger Camilla Solberg, E. Aadland, Ole Høie, Tom Schulz and O. Fausa and has published in prestigious journals such as Gut, Clinical Gastroenterology and Hepatology and Inflammatory Bowel Diseases.

In The Last Decade

Njaal Stray

28 papers receiving 1.7k 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.

Clinical Course in Crohn’s Disease: Results of a Norwegian Population-Based Ten-Year Follow-Up Study

2007 526 citations Inger Camilla Solberg, Morten H. Vatn et al. Clinical Gastroenterology and Hepatology profile →

Peers

Countries citing papers authored by Njaal Stray

Since Specialization

Citations

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

Fields of papers citing papers by Njaal Stray

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Njaal Stray

This figure shows the co-authorship network connecting the top 25 collaborators of Njaal Stray. A scholar is included among the top collaborators of Njaal Stray 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 Njaal Stray. Njaal Stray 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

#	Work	Indexed citations
1	Risk of colorectal cancer in a population-based study 20 years after diagnosis of ulcerative colitis: results from the IBSEN study 2020 ·BMJ Open Gastroenterology ·(unknown), Stephan Brackmann, Milada Cvancarova, Marte Lie Høivik, Øistein Hovde, Magne Henriksen, Gert Huppertz‐Hauss, Tomm Bernklev, Ole Høie, (unknown), Inger Camilla Solberg, Njaal Stray, Jørgen Jahnsen, Morten H. Vatn, Bjørn Moum	11
2	Outcome of Ulcerative Colitis 20 Years after Diagnosis in a Prospective Population-based Inception Cohort from South-Eastern Norway, the IBSEN Study 2020 ·Journal of Crohn s and Colitis ·(unknown), Inger Camilla Solberg, Milada Cvancarova, Øistein Hovde, Magne Henriksen, Gert Huppertz‐Hauss, (unknown), Bjørn Moum, Njaal Stray, Morten Vatn, Ole Høie, Jørgen Jahnsen	35
3	Mortality and Causes of Death in Ulcerative Colitis 2015 ·Inflammatory Bowel Diseases ·Øistein Hovde, Milada Cvancarova Småstuen, Marte Lie Høivik, Tomm Bernklev, Gert Huppertz‐Hauss, Ole Høie, Jørgen Jahnsen, Njaal Stray, Magne Henriksen, Inger Camilla Solberg, Bjørn Moum	18
4	Smerter ved koloskopi 2013 ·Tidsskrift for Den norske legeforening ·Øyvind Holme, (unknown), Michael Bretthauer, Birgitte Seip, Tom Glomsaker, Thomas de Lange, Lars Aabakken, Asbjörn Stallemo, Ole Høie, (unknown), Per Sandvei, Njaal Stray, Carl Magnus Ystrøm, Geir Hoff	5
5	En ung kvinne med øvre gastrointestinal blødning 2012 ·Tidsskrift for Den norske legeforening ·Vikas K. Sarna, Njaal Stray	1
6	Predictive Value of Serologic Markers in a Population-based Norwegian Cohort with Inflammatory Bowel Disease 2008 ·Inflammatory Bowel Diseases ·Inger Camilla Solberg, I. Lygren, Milada Cvancarova, Jørgen Jahnsen, Njaal Stray, Jostein Sauar, Stefan Schreiber, (unknown), Morten H. Vatn	39
7	C-reactive protein: a predictive factor and marker of inflammation in inflammatory bowel disease. Results from a prospective population-based study 2008 ·Gut ·Magne Henriksen, Jørgen Jahnsen, I. Lygren, Njaal Stray, Jostein Sauar, Morten H. Vatn, Bjørn Moum, (unknown)	316
8	Clinical Course in Crohn’s Disease: Results of a Norwegian Population-Based Ten-Year Follow-Up Study breakdown → 2007 ·Clinical Gastroenterology and Hepatology ·Inger Camilla Solberg, Morten H. Vatn, Ole Høie, Njaal Stray, Jostein Sauar, Jørgen Jahnsen, Bjørn Moum, I. Lygren	526
9	A prospective study of same day bi-directional endoscopy in the evaluation of patients with occult gastrointestinal bleeding 2006 ·Scandinavian Journal of Gastroenterology ·Njaal Stray, R. Weberg	18
10	Health‐related quality of life in patients with inflammatory bowel disease five years after the initial diagnosis 2004 ·Scandinavian Journal of Gastroenterology ·Tomm Bernklev, Jørgen Jahnsen, E. Aadland, Jostein Sauar, Tom Schulz, I. Lygren, Magne Henriksen, Njaal Stray, Øystein Kjellevold, Morten Vatn, Bjørn Moum, (unknown)	128
11	Screening of First Degree Relatives of Patients Operated for Colorectal Cancer: Evaluation of Fecal Calprotectin vs. Hemoccult II 2001 ·Digestion ·Jon Kristinsson, K. Nygaard, E. Aadland, (unknown), Jostein Sauar, B Hofstad, Njaal Stray, Asbjörn Stallemo, (unknown), (unknown), (unknown), (unknown)	32
12	Clinical Course during the 1st Year after Diagnosis in Ulcerative Colitis and Crohn's Disease: Results of a Large, Prospective Population-based Study in Southeastern Norway, 1990-93 1997 ·Scandinavian Journal of Gastroenterology ·Bjørn Moum, Anders Ekbom, Morten H. Vatn, E. Aadland, Jostein Sauar, I. Lygren, Tom Schulz, Njaal Stray, O. Fausa	136
13	Inflammatory bowel disease: re-evaluation of the diagnosis in a prospective population based study in south eastern Norway. 1997 ·Gut ·Bjørn Moum, Anders Ekbom, Morten H. Vatn, E. Aadland, Jostein Sauar, I. Lygren, Tom Schulz, Njaal Stray, O. Fausa	106
14	Incidence of Crohn's Disease in Four Counties in Southeastern Norway, 1990–93 A Prospective Population-Based Study 1996 ·Scandinavian Journal of Gastroenterology ·Bjørn Moum, Morten H. Vatn, Anders Ekbom, E. Aadland, O. Fausa, I. Lygren, Njaal Stray, Jostein Sauar, Tom Schulz	136
15	Incidence of Ulcerative Colitis and Indeterminate Colitis in Four Counties of Southeastern Norway, 1990–93 A Prospective Population-Based Study 1996 ·Scandinavian Journal of Gastroenterology ·Bjørn Moum, Morten H. Vatn, Anders Ekbom, E. Aadland, O. Fausa, I. Lygren, Jostein Sauar, Tom Schulz, Njaal Stray	154
16	Gastrointestinal Bleeding: Dyspeptic Symptoms and Clinical Course in Relation to Use of Non-steroidal Antiinflammatory Drugs 1991 ·Scandinavian Journal of Rheumatology ·Lars Aabakken, R. Weberg, I. Lygren, (unknown), Njaal Stray, M. Osnes	8
17	Intracellular regulation of lipoprotein lipase in human monocyte-derived macrophages 1990 ·Biochimica et Biophysica Acta (BBA) - Lipids and Lipid Metabolism ·Njaal Stray, (unknown), (unknown)	8
18	Treatment of Bleeding Oesophageal Varices 1986 ·Scandinavian Journal of Gastroenterology ·E. Schrumpf, Njaal Stray, A Flatmark	3
19	Injection Sclerotherapy of Bleeding Oesophageal and Gastric Varices Using a Flexible Endoscope 1982 ·Acta Medica Scandinavica ·Njaal Stray, Carl Ditlef Jacobsen, Arne R. Rosseland	29
20	[Hematemesis/melena in patients in a central hospital]. 1978 ·PubMed ·K Valnes, Arne R. Rosseland, (unknown), Njaal Stray	1

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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