O Greisen

40 papers and 541 indexed citations i.

About

O Greisen is a scholar working on Surgery, Pulmonary and Respiratory Medicine and Oncology. According to data from OpenAlex, O Greisen has authored 40 papers receiving a total of 541 indexed citations (citations by other indexed papers that have themselves been cited), including 17 papers in Surgery, 10 papers in Pulmonary and Respiratory Medicine and 7 papers in Oncology. Recurrent topics in O Greisen’s work include Tracheal and airway disorders (6 papers), Salivary Gland Tumors Diagnosis and Treatment (6 papers) and Ear and Head Tumors (5 papers). O Greisen is often cited by papers focused on Tracheal and airway disorders (6 papers), Salivary Gland Tumors Diagnosis and Treatment (6 papers) and Ear and Head Tumors (5 papers). O Greisen collaborates with scholars based in Denmark and United States. O Greisen's co-authors include V. Balle, Lisbeth Juhler Andersen, Jesper Carl, Peter Stray Jørgensen, Jørgen Kirkegaard, Lars Bastholt, Jens Overgaard, Christian Godballe, Cai Grau and Lars Vendelbo Johansen and has published in prestigious journals such as Radiotherapy and Oncology, Otolaryngology and Head & Neck.

In The Last Decade

Co-authorship network of co-authors of O Greisen i

Fields of papers citing papers by O Greisen

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Countries citing papers authored by O Greisen

Since Specialization
Citations

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

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2025