N. Johnsen
Impact in
- Reproductive Medicine top 5%
- Sperm and Testicular Function
- Urology top 10%
- Urinary Bladder and Prostate Research
Papers in
-
- Sperm and Testicular Function 6
- Surgery 5
- Testicular diseases and treatments 3
- Co-authors
- R. Tauber (6 shared papers)E Lærum (3 shared papers)Pål Smith (2 shared papers)Egil Bodd (1 shared paper)Per Kragh Andersen (1 shared paper)Stig Larsen (1 shared paper)Peter K. Smith (1 shared paper)Einar Heldal (1 shared paper)
In The Last Decade
N. Johnsen
15 papers receiving 265 citations
Peers
Comparison fields: 5 of 49
- Reproductive Medicine 129
- Urology 60
- Rheumatology 82
- Applied Psychology 20
- General Health Professions 71
Countries citing papers authored by N. Johnsen
This map shows the geographic impact of N. 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 N. Johnsen with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites N. Johnsen more than expected).
Fields of papers citing papers by N. Johnsen
This network shows the impact of papers produced by N. 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 N. Johnsen. The network helps show where N. Johnsen may publish in the future.
Co-authors
The 14 scholars most cited alongside N. Johnsen, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.
All Works
| # | Work | ||
|---|---|---|---|
| 1 | 1994 | 92 | |
| 2 | 1992 | 60 | |
| 3 | 1988 | 35 | |
| 4 | 1996 | 29 | |
| 5 | 1987 | 25 | |
| 6 | Cohort analysis of asylum seekers in Oslo, Norway, 1987-1995: effectiveness of screening at entry and TB incidence in subsequent years. | 2005 | 19 |
| 7 | 1991 | 11 | |
| 8 | [Antegrade scrotal sclerotherapy for treatment of testicular varicocele. Technique and late results]. | 1993 | 11 |
| 9 | 1988 | 4 | |
| 10 | 1994 | 4 | |
| 11 | 1997 | 3 | |
| 12 | [Spermiogram findings following antegrade sclerosing of a varicocele]. | 1997 | 2 |
| 13 | [Extrapulmonary tuberculosis among Somali immigrants in Norway]. | 2003 | 1 |
| 14 | 1999 | 1 | |
| 15 | 1997 | 1 |
About N. Johnsen
N. Johnsen is a scholar working on Reproductive Medicine, Surgery, Cardiology and Cardiovascular Medicine, Public Health, Environmental and Occupational Health and Infectious Diseases, having authored 15 papers that have together received 298 indexed citations. Recurring topics across this work include Sperm and Testicular Function (6 papers), Testicular diseases and treatments (3 papers), Cardiac Health and Mental Health (3 papers), Tuberculosis Research and Epidemiology (2 papers), Reproductive Biology and Fertility (2 papers), Family Support in Illness (2 papers), Resilience and Mental Health (2 papers) and Dermatological and Skeletal Disorders (1 paper). The work is most often cited by research in Reproductive Medicine (129 citations), Urology (60 citations), Rheumatology (82 citations), Applied Psychology (20 citations) and General Health Professions (71 citations). N. Johnsen has collaborated with scholars based in Germany and Norway. Frequent co-authors include R. Tauber, E Lærum, Pål Smith, Egil Bodd, Per Kragh Andersen, Stig Larsen, Peter K. Smith, Einar Heldal, Helmut E. Meyer and Tore W. Steen. Their work appears in journals such as Scandinavian Journal of Primary Health Care, Family Practice, The Journal of Urology, Advances in experimental medicine and biology and Aktuelle Urologie.
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.