Science Explorer Interactive view Map

R. Nissen

R. Nissen publishes mostly in Surgery, Pulmonary and Respiratory Medicine and Gastroenterology, on topics such as Law and Political Science, Eosinophilic Esophagitis and Public Administration and Political Analysis.

World rank
#36,765
of 1,633,909 ranked researchers
Rank in Switzerland
#957
of 19,404
Works
45
Citations
166
Citations per work
3.7

What does R. Nissen research?

Surgery: 28.6%Pulmonary and Respiratory Medicine: 16.7%Gastroenterology: 9.5%Law: 9.5%other fields: 35.7%29%top field
Surgery28.6%Pulmonary and Respiratory Medicine16.7%Gastroenterology9.5%Law9.5%other fields35.7%

Shares of their own output, by the field each of their topics belongs to. The grey slice is everything not listed.

  1. 1Surgery29% of their works
  2. 2Pulmonary and Respiratory Medicine17% of their works
  3. 3Gastroenterology10% of their works
  4. 4Law10% of their works
  5. 5Political Science and International Relations10% of their works
  6. 6Cardiology and Cardiovascular Medicine5% of their works

Research topics

Which keywords describe R. Nissen's research?

The keywords of their largest research topics: Epidemiology, Guidelines, Legal Methodology, Party Competition, Diagnosis, Eosinophilic Esophagitis, Governance and Leadership.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most.

All 18 words, with their numbers
  1. Epidemiology52 topics
  2. Guidelines52 topics
  3. Legal Methodology41 topic
  4. Party Competition41 topic
  5. Diagnosis31 topic
  6. Eosinophilic Esophagitis31 topic
  7. Governance31 topic
  8. Leadership31 topic
  9. Anaesthesia21 topic
  10. Cardiac Risk21 topic
  11. Endoscopic Stenting21 topic
  12. Esophageal Motility Disorders21 topic
  13. Esophageal Perforation21 topic
  14. Gastroesophageal Reflux Disease21 topic
  15. Imatinib Mesylate21 topic
  16. Medical Gases21 topic
  17. Perioperative21 topic
  18. Sunitinib21 topic

Where does R. Nissen work?

R. Nissen's main affiliation in the publication record is Swiss Archaeology, Switzerland.

How many publications and citations does R. Nissen have?

Science Explorer counts 45 works and 166 citations for R. Nissen, ranking #36,765 of 1,633,909 researchers worldwide on the composite score.

Ranked on field-normalised excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Papers, co-authors, who cited this work and researchers on the nearest topics are in the interactive view on the map. Is this your page? Request a correction or removal.