Michael Hejna

107 papers and 3.7k indexed citations i.

About

Michael Hejna is a scholar working on Oncology, Pulmonary and Respiratory Medicine and Surgery. According to data from OpenAlex, Michael Hejna has authored 107 papers receiving a total of 3.7k indexed citations (citations by other indexed papers that have themselves been cited), including 62 papers in Oncology, 59 papers in Pulmonary and Respiratory Medicine and 38 papers in Surgery. Recurrent topics in Michael Hejna’s work include Gastric Cancer Management and Outcomes (35 papers), Esophageal Cancer Research and Treatment (19 papers) and Colorectal Cancer Treatments and Studies (13 papers). Michael Hejna is often cited by papers focused on Gastric Cancer Management and Outcomes (35 papers), Esophageal Cancer Research and Treatment (19 papers) and Colorectal Cancer Treatments and Studies (13 papers). Michael Hejna collaborates with scholars based in Austria, United States and Germany. Michael Hejna's co-authors include Markus Raderer, Christoph Zielinski, Manuela Schmidinger, Werner Scheithauer, Wolfgang J. Köstler, Stefan Wöhrer, C. Zielinski, Gabriela Kornek, Ursula Vogl and C. Wenzel and has published in prestigious journals such as Journal of Clinical Oncology, JNCI Journal of the National Cancer Institute and Cancer.

In The Last Decade

Co-authorship network of co-authors of Michael Hejna i

Fields of papers citing papers by Michael Hejna

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Countries citing papers authored by Michael Hejna

Since Specialization
Citations

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