Chris Friedrich

1.0k total citations · 1 hit paper
8 papers, 670 citations indexed

About

Chris Friedrich is a scholar working on Surgery, Genetics and Emergency Medicine. According to data from OpenAlex, Chris Friedrich has authored 8 papers receiving a total of 670 indexed citations (citations by other indexed papers that have themselves been cited), including 6 papers in Surgery, 4 papers in Genetics and 3 papers in Emergency Medicine. Recurrent topics in Chris Friedrich's work include Diverticular Disease and Complications (4 papers), Inflammatory Bowel Disease (4 papers) and Appendicitis Diagnosis and Management (3 papers). Chris Friedrich is often cited by papers focused on Diverticular Disease and Complications (4 papers), Inflammatory Bowel Disease (4 papers) and Appendicitis Diagnosis and Management (3 papers). Chris Friedrich collaborates with scholars based in Germany and Switzerland. Chris Friedrich's co-authors include Johannes F.E. Mann, Marcel Wolbers, Regina Kunz, A. Schreyer, Patrick Hoffstetter, Ernst Michael Jung, Ayman Agha, Frank Klebl, Niels Zorger and Claudia Ott and has published in prestigious journals such as Annals of Internal Medicine, PLoS ONE and Inflammatory Bowel Diseases.

In The Last Decade

Chris Friedrich

8 papers receiving 642 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.

Meta-analysis: Effect of Monotherapy and Combination Therapy with Inhibitors of the Renin–Angiotensin System on Proteinuria in Renal Disease

2008 468 citations Regina Kunz, Chris Friedrich et al. Annals of Internal Medicine profile →

Peers

Countries citing papers authored by Chris Friedrich

Since Specialization

Citations

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

Fields of papers citing papers by Chris Friedrich

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Chris Friedrich

This figure shows the co-authorship network connecting the top 25 collaborators of Chris Friedrich. A scholar is included among the top collaborators of Chris Friedrich 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 Chris Friedrich. Chris Friedrich is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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8 of 8 papers shown

#	Work	Indexed citations
1	Magnetic resonance enterography with and without biphasic contrast agent enema compared to conventional ileocolonoscopy in patients with Crohnʼs disease 2012 ·Inflammatory Bowel Diseases ·Chris Friedrich, (unknown), Michael Pawlik, Patrick Hoffstetter, Janine Rennert, Ayman Agha, Ernst Michael Jung, Claudia Ott, Christian Stroszczynski, A. Schreyer	28
2	Volume Navigation with Contrast Enhanced Ultrasound and Image Fusion for Percutaneous Interventions: First Results 2012 ·PLoS ONE ·Ernst Michael Jung, Chris Friedrich, Patrick Hoffstetter, (unknown), Frank Klebl, Ayman Agha, (unknown), (unknown), A. Schreyer	59
3	Contrast-enhanced ultrasound for differential diagnosis of suspected GvHD in patients after allogeneic transplantation 2011 ·Clinical Hemorheology and Microcirculation ·A. Schreyer, Karin Landfried, F. Jung, (unknown), Florian Poschenrieder, Christian Dornia, Philipp Wiggermann, (unknown), Ernst Holler, Christian Stroszczynski, Chris Friedrich	15
4	Influence of percutaneous abscess drainage on severe postoperative septic complications in patients with Crohn's disease 2011 ·International Journal of Colorectal Disease ·René Müller‐Wille, Igors Iesalnieks, Christian Dornia, Claudia Ott, Ernst Michael Jung, Chris Friedrich, (unknown), Patrick Hoffstetter, Niels Zorger, A. Schreyer	31
5	Comparison of high-resolution ultrasound and MR-enterography in patients with inflammatory bowel disease. 2011 ·PubMed ·A. Schreyer, (unknown), Chris Friedrich, Florian Poschenrieder, (unknown), Christian Dornia, (unknown), (unknown), Doris Schacherer, (unknown), Ernst‐Michael Jung	22
6	Comparison of Conventional Abdominal CT with MR-Enterography in Patients with Active Crohn's Disease and Acute Abdominal Pain 2010 ·Academic Radiology ·A. Schreyer, Patrick Hoffstetter, (unknown), Ernst-Michael Jung, Michael Pawlik, Chris Friedrich, Claudia Fellner, Ulrike Strauch, Frank Klebl, Hans Herfarth, Niels Zorger	27
7	Transmural penetration of intravenously applied microbubbles during contrast-enhanced ultrasound as a new diagnostic feature in patients with GVHD of the bowel 2010 ·Bone Marrow Transplantation ·A. Schreyer, Karin Landfried, N Zorger, Patrick Hoffstetter, Julia Ammer, Claudia Fellner, Chris Friedrich, Reinhard Andreesen, Ernst Holler, E.M. Jung	20
8	Meta-analysis: Effect of Monotherapy and Combination Therapy with Inhibitors of the Renin–Angiotensin System on Proteinuria in Renal Disease breakdown → 2008 ·Annals of Internal Medicine ·Regina Kunz, Chris Friedrich, Marcel Wolbers, Johannes F.E. Mann	468

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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