Klaus Gellert

7.4k total citations · 2 hit papers
51 papers, 4.7k citations indexed

About

Klaus Gellert is a scholar working on Surgery, Pulmonary and Respiratory Medicine and Oncology. According to data from OpenAlex, Klaus Gellert has authored 51 papers receiving a total of 4.7k indexed citations (citations by other indexed papers that have themselves been cited), including 25 papers in Surgery, 19 papers in Pulmonary and Respiratory Medicine and 14 papers in Oncology. Recurrent topics in Klaus Gellert's work include Pancreatic and Hepatic Oncology Research (11 papers), Cancer Genomics and Diagnostics (8 papers) and Minimally Invasive Surgical Techniques (7 papers). Klaus Gellert is often cited by papers focused on Pancreatic and Hepatic Oncology Research (11 papers), Cancer Genomics and Diagnostics (8 papers) and Minimally Invasive Surgical Techniques (7 papers). Klaus Gellert collaborates with scholars based in Germany, United States and United Kingdom. Klaus Gellert's co-authors include Helmut Oettle, Hanno Riess, Karsten Ridwelski, Marco Niedergethmann, P. Neuhaus, C. Zülke, H Schramm, Stefan Post, Jan M. Langrehr and Marianne Sinn and has published in prestigious journals such as JAMA, Journal of Clinical Oncology and Oncogene.

In The Last Decade

Klaus Gellert

50 papers receiving 4.6k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Adjuvant Chemotherapy With Gemcitabine vs Observation in Patients Undergoing Curative-Intent Resection of Pancreatic Cancer

2007 1.8k citations Helmut Oettle, Stefan Post et al. JAMA profile →
Adjuvant Chemotherapy With Gemcitabine and Long-term Outcomes Among Patients With Resected Pancreatic Cancer

2013 1.3k citations Helmut Oettle, P. Neuhaus et al. JAMA profile →

Peers

Klaus Gellert

ONCOL

SURGE

PRM

EPIDE

Sergio Pedrazzoli Italy

Karsten Ridwelski Germany

Claudio Bassi Italy

Ki Byung Song South Korea

Emre F. Yekebas Germany

Nobumasa Mizuno Japan

Hans‐Detlev Saeger Germany

John C. Mansour United States

Shinichi Aishima Japan

Katsuhiko Uesaka Japan

Sergio Pedrazzoli Italy

Klaus Gellert

3.9k ×1.1

ONCOL

2.4k ×1.1

SURGE

1.2k ×0.8

PRM

1.4k ×1.2

EPIDE

640 ×0.6

Citations per year, relative to Klaus Gellert Klaus Gellert (= 1×) peers Sergio Pedrazzoli

Countries citing papers authored by Klaus Gellert

Since Specialization

Citations

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

Fields of papers citing papers by Klaus Gellert

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Klaus Gellert

This figure shows the co-authorship network connecting the top 25 collaborators of Klaus Gellert. A scholar is included among the top collaborators of Klaus Gellert based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Klaus Gellert. Klaus Gellert is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Sinn, M., Torsten Liersch, Hanno Riess, et al.. (2020). CONKO-006: A randomised double-blinded phase IIb-study of additive therapy with gemcitabine + sorafenib/placebo in patients with R1 resection of pancreatic cancer – Final results. European Journal of Cancer. 138. 172–181. 22 indexed citations

Bunse, Jörg, et al.. (2015). Observational study on preservation of the superior rectal artery in sigmoid resection for diverticular disease. International Journal of Surgery. 21. 45–50. 23 indexed citations

Burghardt, Jens, et al.. (2014). Transvaginale Cholezystektomie. Der Chirurg. 85(9). 825–832. 8 indexed citations

Burghardt, Jens, et al.. (2014). Postoperative pain after transvaginal cholecystectomy: single-center, double-blind, randomized controlled trial. Surgical Endoscopy. 28(6). 1886–1894. 28 indexed citations

Burghardt, Jens, et al.. (2012). Prospective evaluation of transvaginal assisted cholecystectomy. Surgical Endoscopy. 26(12). 3597–3604. 24 indexed citations

Lehmann, Kai S., Jörg P. Ritz, Andreas G. Wibmer, et al.. (2010). The German Registry for Natural Orifice Translumenal Endoscopic Surgery. Annals of Surgery. 252(2). 263–270. 146 indexed citations

Burghardt, Jens, et al.. (2009). Thoracoscopic removal of a transesophageal ingested mediastinal foreign body☆. Interactive Cardiovascular and Thoracic Surgery. 9(3). 556–557. 6 indexed citations

Tackenberg, Björn, Michael Happel, Klaus Gellert, et al.. (2009). Expanded TCR Vβ subsets of CD8+ T-cells in late-onset myasthenia gravis: Novel parallels with thymoma patients. Journal of Neuroimmunology. 216(1-2). 85–91. 19 indexed citations

Burghardt, Jens, et al.. (2008). Minimalinvasive transvaginale Hemikolektomie rechts: Bericht über die erste komplexe NOS (Natural Orifice Surgery)Darmoperation in Hybridtechnik. Zentralblatt für Chirurgie - Zeitschrift für Allgemeine Viszeral- Thorax- und Gefäßchirurgie. 133(6). 574–576. 34 indexed citations

10.

Oettle, Helmut, Stefan Post, P. Neuhaus, et al.. (2007). Adjuvant Chemotherapy With Gemcitabine vs Observation in Patients Undergoing Curative-Intent Resection of Pancreatic Cancer. JAMA. 297(3). 267–267. 1754 indexed citations breakdown →

11.

Gellert, Klaus, et al.. (2006). Pankreasheterotopie als seltene Differenzialdiagnose eines größenprogredienten Magentumors. Zentralblatt für Chirurgie - Zeitschrift für Allgemeine Viszeral- Thorax- und Gefäßchirurgie. 131(2). 167–170. 3 indexed citations

12.

Meyer, L., R. Steinert, Klaus Gellert, et al.. (2005). Prospektive Multizenterstudie zur Chirurgie des Magenkarzinoms - Ein Beitrag zur klinischen Versorgungsforschung. Zentralblatt für Chirurgie - Zeitschrift für Allgemeine Viszeral- Thorax- und Gefäßchirurgie. 130(2). 97–105. 17 indexed citations

13.

Hartmann, Dirk, Harald Schmidt, Georg Bolz, et al.. (2005). A prospective two-center study comparing wireless capsule endoscopy with intraoperative enteroscopy in patients with obscure GI bleeding. Gastrointestinal Endoscopy. 61(7). 826–832. 228 indexed citations

14.

John, Matthias, Ute Oltmanns, Claudia R. Binder, et al.. (2003). Inhibition of chemokine production from human airway smooth muscle cells by fluticasone, budesonide and beclomethasone. Pulmonary Pharmacology & Therapeutics. 17(1). 41–47. 16 indexed citations

15.

Rückert, J. C., Klaus Gellert, & J. M. Müller. (1999). Operative technique for thoracoscopic thymectomy. Surgical Endoscopy. 13(9). 943–946. 28 indexed citations

16.

Petersen, Simone, et al.. (1998). Allelic loss on chromosome 10q in human lung cancer: association with tumour progression and metastatic phenotype. British Journal of Cancer. 77(2). 270–276. 61 indexed citations

17.

Petersen, Simone, Ulrike Bockmühl, Klaus Gellert, et al.. (1998). Distinct regions of allelic imbalance on chromosome 10q22-q26 in squamous cell carcinomas of the lung. Oncogene. 17(4). 449–454. 44 indexed citations

18.

Borges, Adrian C., Klaus Gellert, Manfred Dietel, G. Baumann, & Christian Witt. (1997). Acute Right-Sided Heart Failure Due to Hemorrhage Into a Pericardial Cyst. The Annals of Thoracic Surgery. 63(3). 845–847. 58 indexed citations

19.

Gellert, Klaus, et al.. (1996). Laparoscopic Billroth-II Gastrectomy. Journal of Laparoendoscopic Surgery. 6(5). 319–324. 9 indexed citations

20.

Buttgereit, Frank, et al.. (1994). Persistent pulmonary lesion in a patient with rheumatoid arthritis.. Annals of the Rheumatic Diseases. 53(12). 798–800. 2 indexed citations

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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