Jan Nielsen

71 papers and 1.6k indexed citations i.

About

Jan Nielsen is a scholar working on Genetics, Public Health, Environmental and Occupational Health and Surgery. According to data from OpenAlex, Jan Nielsen has authored 71 papers receiving a total of 1.6k indexed citations (citations by other indexed papers that have themselves been cited), including 23 papers in Genetics, 22 papers in Public Health, Environmental and Occupational Health and 21 papers in Surgery. Recurrent topics in Jan Nielsen’s work include Inflammatory Bowel Disease (22 papers), Pregnancy and Medication Impact (19 papers) and Microscopic Colitis (15 papers). Jan Nielsen is often cited by papers focused on Inflammatory Bowel Disease (22 papers), Pregnancy and Medication Impact (19 papers) and Microscopic Colitis (15 papers). Jan Nielsen collaborates with scholars based in Denmark, United States and Norway. Jan Nielsen's co-authors include Bente Mertz Nørgård, Jens Kjeldsen, Kirsten Ohm Kyvik, Charlotte Leboeuf‐Yde, René Fejer, Torben Knudsen, Jan Hartvigsen, Sonia Friedman, Niels Qvist and Line Riis Jølving and has published in prestigious journals such as American Journal of Clinical Nutrition, American Journal of Obstetrics and Gynecology and The American Journal of Gastroenterology.

In The Last Decade

Co-authorship network of co-authors of Jan Nielsen i

Fields of papers citing papers by Jan Nielsen

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Countries citing papers authored by Jan Nielsen

Since Specialization
Citations

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

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.

Explore authors with similar magnitude of impact

Rankless by CCL
2025