J. R. Siewert
- Gastroenterology top 10%
- Gastrointestinal Tumor Research and Treatment 3
- Gastroesophageal reflux and treatments 2
- Oncology top 10%
- Colorectal Cancer Surgical Treatments 3
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- Gastric Cancer Management and Outcomes 8
- Lung Cancer Treatments and Mutations 3
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- Esophageal Cancer Research and Treatment 6
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- Radiomics and Machine Learning in Medical Imaging 3
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- Neuroendocrine Tumor Research Advances 3
- Co-authors
- Heinz HöflerTibor SchusterH. NekardaKaren BeckerKurt UlmRalf GertlerRobert RosenbergMatthias Maak
- Partner nations
- Germany
In The Last Decade
J. R. Siewert
19 papers receiving 517 citations
Peers
Comparison fields: 5 of 49
- Gastroenterology 63
- Oncology 313
- Pulmonary and Respiratory Medicine 217
- Pathology and Forensic Medicine 113
- Surgery 252
Countries citing papers authored by J. R. Siewert
This map shows the geographic impact of J. R. Siewert'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 J. R. Siewert with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites J. R. Siewert more than expected).
Fields of papers citing papers by J. R. Siewert
This network shows the impact of papers produced by J. R. Siewert. 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 J. R. Siewert. The network helps show where J. R. Siewert may publish in the future.
Co-authorship network
The 25 scholars most cited alongside J. R. Siewert, 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 | 2011 | 1 | |
| 2 | 2010 | 1 | |
| 3 | 2008 | 215 | |
| 4 | 2008 | 0 | |
| 5 | 2007 | 90 | |
| 6 | 2007 | 30 | |
| 7 | 2005 | 28 | |
| 8 | 2005 | 3 | |
| 9 | 2004 | 3 | |
| 10 | 2003 | 3 | |
| 11 | 2003 | 8 | |
| 12 | 2003 | 1 | |
| 13 | 2002 | 23 | |
| 14 | 2000 | 3 | |
| 15 | 2000 | 6 | |
| 16 | Duodenal microgastrinomas associated with Zollinger-Ellison syndrome. | 1997 | 13 |
| 17 | [Surgical therapy of gastrinoma with associated Zollinger-Ellison syndrome]. | 1996 | 2 |
| 18 | Microsatellite instability in adenocarcinomas of the upper gastrointestinal tract. Relation to clinicopathological data and family history. | 1995 | 79 |
| 19 | 1993 | 1 | |
| 20 | 1981 | 15 |
About J. R. Siewert
J. R. Siewert is a scholar working on Gastroenterology, Pulmonary and Respiratory Medicine and Surgery, having authored 21 papers that have together received 530 indexed citations. Recurring topics across this work include Gastric Cancer Management and Outcomes (8 papers), Esophageal Cancer Research and Treatment (6 papers), Radiomics and Machine Learning in Medical Imaging (3 papers), Neuroendocrine Tumor Research Advances (3 papers), Colorectal Cancer Surgical Treatments (3 papers), Gastrointestinal Tumor Research and Treatment (3 papers), Lung Cancer Treatments and Mutations (3 papers) and Gastroesophageal reflux and treatments (2 papers). The work is most often cited by research in Gastroenterology (63 citations), Oncology (313 citations) and Pulmonary and Respiratory Medicine (217 citations). J. R. Siewert has collaborated with scholars based in Germany. Frequent co-authors include Heinz Höfler, Tibor Schuster, H. Nekarda, Karen Becker, Kurt Ulm, Ralf Gertler, Robert Rosenberg, Matthias Maak, Jan Friederichs and Karl‐Friedrich Becker.
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.