J. Erhard

1.5k total citations
40 papers, 340 citations indexed

About

J. Erhard is a scholar working on Surgery, Pulmonary and Respiratory Medicine and Hepatology. According to data from OpenAlex, J. Erhard has authored 40 papers receiving a total of 340 indexed citations (citations by other indexed papers that have themselves been cited), including 29 papers in Surgery, 11 papers in Pulmonary and Respiratory Medicine and 10 papers in Hepatology. Recurrent topics in J. Erhard's work include Organ Transplantation Techniques and Outcomes (14 papers), Liver Disease and Transplantation (7 papers) and Gallbladder and Bile Duct Disorders (4 papers). J. Erhard is often cited by papers focused on Organ Transplantation Techniques and Outcomes (14 papers), Liver Disease and Transplantation (7 papers) and Gallbladder and Bile Duct Disorders (4 papers). J. Erhard collaborates with scholars based in Germany and United States. J. Erhard's co-authors include F. W. Eigler, R. Länge, R. Scherer, W. J. Kox, L. Schweiberer, W. Niebel, A. Trupka, H. Waldner, Klaus Hallfeldt and Uwe Heemann and has published in prestigious journals such as European Journal of Cancer, Transplantation and Surgical Endoscopy.

In The Last Decade

J. Erhard

36 papers receiving 321 citations

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
J. Erhard Germany 11 241 123 52 48 44 40 340
Ahmed M. Elsabbagh United States 11 183 0.8× 32 0.3× 113 2.2× 38 0.8× 51 1.2× 23 280
For Tai Lam United Kingdom 13 222 0.9× 45 0.4× 69 1.3× 35 0.7× 23 0.5× 35 499
Mjh Slooff Italy 7 193 0.8× 153 1.2× 26 0.5× 73 1.5× 14 0.3× 27 326
P Nyckowski Poland 12 343 1.4× 260 2.1× 152 2.9× 88 1.8× 31 0.7× 43 498
Michael Wallot Germany 9 153 0.6× 121 1.0× 139 2.7× 78 1.6× 93 2.1× 12 413
Alexandra Shingina United States 11 145 0.6× 174 1.4× 28 0.5× 139 2.9× 19 0.4× 32 356
Sanjay Rajwal United Kingdom 12 248 1.0× 119 1.0× 82 1.6× 118 2.5× 53 1.2× 26 373
Austin L. Spitzer United States 11 487 2.0× 397 3.2× 52 1.0× 323 6.7× 95 2.2× 20 646
J. González-Cotorruelo Spain 11 216 0.9× 22 0.2× 76 1.5× 49 1.0× 14 0.3× 14 427
Júlio César Wiederkehr Brazil 11 278 1.2× 157 1.3× 35 0.7× 39 0.8× 28 0.6× 38 383

Countries citing papers authored by J. Erhard

Since Specialization
Citations

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

Fields of papers citing papers by J. Erhard

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of J. Erhard

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

All Works

20 of 20 papers shown
1.
Timmermann, W., J. Erhard, T. Reck, et al.. (2002). A randomised trial comparing the efficacy and safety of tacrolimus with microemulsified cyclosporine after liver transplantation. Transplantation Proceedings. 34(5). 1516–1518. 12 indexed citations
2.
Pietsch, M., et al.. (2000). Langzeitverlauf nach Gallengangverletzung durch laparoskopische Cholecystektomie und Rekonstruktion durch ein Jejunuminterponat. Der Chirurg. 71(12). 1500–1503. 1 indexed citations
3.
Heemann, Uwe, et al.. (1998). Prevalence of diverticulosis and incidence of bowel perforation after kidney transplantation in patients with polycystic kidney disease. Transplant International. 11(1). 28–31. 35 indexed citations
4.
Hallfeldt, Klaus, A. Trupka, J. Erhard, H. Waldner, & L. Schweiberer. (1998). Emergency laparoscopy for abdominal stab wounds. Surgical Endoscopy. 12(7). 907–910. 43 indexed citations
5.
Witzke, Oliver, Gavin J. Becker, J. Erhard, et al.. (1998). Tacrolimus rescue therapy in patients with rejection and long-term dialysis after kidney transplantation.. PubMed. 49(1). 24–7. 4 indexed citations
6.
Hellinger, A., et al.. (1997). [Bile duct lesions in laparoscopic cholecystectomy--methods of reconstruction and results].. PubMed. 122(12). 1092–8. 2 indexed citations
7.
Witzke, Oliver, Uwe Heemann, U. Wolfhard, et al.. (1997). A comparison of EMIT and FPIA methods for the detection of cyclosporin A blood levels: does impaired liver function make a difference?. European Journal of Clinical Pharmacology. 52(5). 413–416. 7 indexed citations
8.
Zotz, Rainer B., J. Erhard, N. Breuer, et al.. (1997). VALUE OF AN EXTENDED MONOETHYLGLYCINEXYLIDIDE FORMATION TEST AND OTHER DYNAMIC LIVER FUNCTION TESTS IN LIVER TRANSPLANT DONORS. Transplantation. 63(4). 538–541. 13 indexed citations
9.
Länge, R., J. Erhard, Ursula Rauen, Herbert de Groot, & F. W. Eigler. (1997). Hepatocellular injury during preservation of human livers with UW and HTK solution. Transplantation Proceedings. 29(1-2). 400–402. 17 indexed citations
10.
Hellinger, A., et al.. (1996). Impact of colour Doppler sonography on detection of thrombosis of the hepatic artery and the portal vein after liver transplantation. Langenbeck s Archives of Surgery. 381(3). 182–5. 27 indexed citations
11.
Lange, Rüdiger, J. Erhard, A. A. C. Sander, R. Scherer, & F. W. Eigler. (1996). [Use of continuous veno-venous high volume hemofiltration (CVVHVH) in patients with multiple organ failure. Principle and applications].. PubMed. 121(7). 535–40; discussion 541. 1 indexed citations
12.
Erhard, J., et al.. (1995). A new technique for reconstruction of the common bile duct after severe injury by laparoscopic cholecystectomy. Langenbeck s Archives of Surgery. 380(6). 304–7. 4 indexed citations
13.
Erhard, J., et al.. (1994). Der Wert der Duplexsonographie nach der orthotopen Lebertransplantation Erfahrungen an 44 Patienten. Langenbeck s Archives of Surgery. 379(1). 26–31. 1 indexed citations
14.
Scherer, R., Andreas Gille, J. Erhard, Dalibor Paar, & W. J. Kox. (1994). Substitutionseffekt von AT-III- und PPSB-Konzentraten bei Patienten mit terminaler Leberinsuffizienz. Der Anaesthesist. 43(3). 178–182. 19 indexed citations
15.
Rudy, T., Thomas Hartwig, Emanuel Fritschka, J. Erhard, & F. W. Eigler. (1993). Monitoring of plasma endothelin in relation to Doppler signal in human liver transplantation.. PubMed. 25(4). 2658–61.
16.
Erhard, J., R. Länge, W. Niebel, et al.. (1993). Acute liver necrosis in the HELLP syndrome: successful outcome after orthotopic liver transplantation. A case report. Transplant International. 6(3). 179–181. 24 indexed citations
17.
Erhard, J., Rüdiger Lange, E. Gersing, et al.. (1993). Die Impedanzmessung zur Beurteilung von Isch�miesch�den der humanen Leber in der Vorbereitung zur Transplantation. Langenbeck s Archives of Surgery. 378(4). 233–8. 8 indexed citations
18.
Fritschka, Emanuel, et al.. (1993). [Increased plasma endothelin concentrations in patients after liver transplantation and in liver cirrhosis].. PubMed. 88(3). 139–42. 3 indexed citations
19.
Niebel, W., Ulrich Schulz, Michael Ried, et al.. (1988). Five- Year Results of a Prospective and Randomized Study: Experience with Combined Radiotherapy and Surgery of Primary Rectal Carcinoma. Recent results in cancer research. 110. 111–113. 11 indexed citations
20.
Gross, Eitan, et al.. (1984). [Artificial mesh as an aid in abdominal wall closure in postoperative peritonitis, postoperative abdominal wall dehiscence and reconstruction of the abdominal wall].. PubMed. 109(19). 1238–50. 7 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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