U Zieren

923 total citations · 1 hit paper
8 papers, 744 citations indexed

About

U Zieren is a scholar working on Pulmonary and Respiratory Medicine, Surgery and Epidemiology. According to data from OpenAlex, U Zieren has authored 8 papers receiving a total of 744 indexed citations (citations by other indexed papers that have themselves been cited), including 7 papers in Pulmonary and Respiratory Medicine, 6 papers in Surgery and 3 papers in Epidemiology. Recurrent topics in U Zieren's work include Esophageal Cancer Research and Treatment (6 papers), Gastric Cancer Management and Outcomes (5 papers) and Multiple and Secondary Primary Cancers (3 papers). U Zieren is often cited by papers focused on Esophageal Cancer Research and Treatment (6 papers), Gastric Cancer Management and Outcomes (5 papers) and Multiple and Secondary Primary Cancers (3 papers). U Zieren collaborates with scholars based in Germany and Austria. U Zieren's co-authors include H. Pichlmaier, H Erasmi, J. M. Müller, Matthias Stelzner, Müller Jm, D G Tubergen, U Wolters, Farzin Adili and J. M. M�ller and has published in prestigious journals such as British journal of surgery, Langenbeck s Archives of Surgery and PubMed.

In The Last Decade

U Zieren

7 papers receiving 714 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.

Surgical therapy of oesophageal carcinoma

1990 715 citations J. M. Müller, H Erasmi et al. British journal of surgery profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
U Zieren Germany	5	684	627	61	32	29	8	744
Makoto Hikage Japan	15	341 0.5×	374 0.6×	73 1.2×	21 0.7×	144 5.0×	45	532
Damien Mallat United States	10	560 0.8×	394 0.6×	121 2.0×	12 0.4×	142 4.9×	30	650
Sabrina Rampado Italy	14	701 1.0×	521 0.8×	47 0.8×	91 2.8×	245 8.4×	25	768
Edson Ide Brazil	13	476 0.7×	361 0.6×	139 2.3×	70 2.2×	118 4.1×	31	576
Ong Gb China	12	246 0.4×	132 0.2×	42 0.7×	19 0.6×	19 0.7×	34	340
E W Gillison United Kingdom	10	356 0.5×	164 0.3×	55 0.9×	24 0.8×	187 6.4×	12	419
Katsunori Nishikawa Japan	12	236 0.3×	176 0.3×	45 0.7×	8 0.3×	24 0.8×	44	320
J.A.C. Thorpe United Kingdom	10	143 0.2×	157 0.3×	44 0.7×	17 0.5×	88 3.0×	21	295
Emo E. van Halsema Netherlands	10	516 0.8×	297 0.5×	335 5.5×	36 1.1×	22 0.8×	16	587
Fredrik Klevebro Sweden	16	1.0k 1.5×	944 1.5×	134 2.2×	30 0.9×	105 3.6×	75	1.1k

Countries citing papers authored by U Zieren

Since Specialization

Citations

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

Fields of papers citing papers by U Zieren

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of U Zieren

This figure shows the co-authorship network connecting the top 25 collaborators of U Zieren. A scholar is included among the top collaborators of U Zieren 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 U Zieren. U Zieren 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:

8 of 8 papers shown

1.

Jm, Müller, D G Tubergen, & U Zieren. (1994). [After-care in colorectal cancer--data and patient oriented evaluation].. PubMed. 119(2). 65–74. 6 indexed citations

2.

Zieren, U, et al.. (1994). Principles of radical oesophageal surgery.. PubMed. 2(1). 3–9.

3.

Jm, Müller, et al.. (1992). [Surgical treatment of esophageal cancer: Part I. European results 1980-1991].. PubMed. 117(6). 311–24. 5 indexed citations

4.

M�ller, J. M., et al.. (1992). Die resektion des speiser�hrenkarzinoms ohne thorakotomie durch manuelle dissektion und eversionsstripping. Langenbeck s Archives of Surgery. 377(5). 276–87. 2 indexed citations

5.

Pichlmaier, H., Müller Jm, & U Zieren. (1992). [Squamous cell cancer of the esophagus. Treatment concept at the Cologne University surgical clinic].. PubMed. 63(9). 701–8. 5 indexed citations

6.

Jm, Müller, H Erasmi, U Zieren, & H. Pichlmaier. (1991). [Palliative surgical treatment of cancer of the esophagus].. PubMed. 86(1). 24–31. 2 indexed citations

7.

Müller, J. M., H Erasmi, Matthias Stelzner, U Zieren, & H. Pichlmaier. (1990). Surgical therapy of oesophageal carcinoma. British journal of surgery. 77(8). 845–857. 715 indexed citations breakdown →

8.

Jm, Müller, U Zieren, U Wolters, & H. Pichlmaier. (1989). Results of esophagectomy and gastric bypass for cancer of the esophagus.. PubMed. 36(6). 522–8. 9 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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