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Researcher · Asklepios Klinik Barmbek · Germany

Karl J. Oldhafer

Karl J. Oldhafer publishes mostly in Surgery, Hepatology and Pulmonary and Respiratory Medicine, on topics such as Hepatocellular Carcinoma Treatment and Prognosis, Organ Transplantation Techniques and Outcomes and Cholangiocarcinoma and Gallbladder Cancer Studies.

ORCID 0000-0002-4878-265X OpenAlex
World rank
#1,528,645
of 7,710,434 ranked researchers
Rank in Germany
#75,359
of 364,343
Works
345
Citations
7.1k
Citations per work
20.4
h-index
45
i10-index 147Top 2.1% in Surgery
Karl J. Oldhafer

What does Karl J. Oldhafer research?

Karl J. Oldhafer's work is mostly in Medicine (70%), Immunology and Microbiology (3%).

Health Sciences: 241 works · 69.9% of their workMedicine: 241 works · 69.9% of their workSurgery: 93 works · 26.9% of their workHepatology: 69 works · 20.0% of their workPulmonary and Respiratory Medicine: 31 works · 9.1% of their workOncology: 28 works · 8.2% of their workEpidemiology: 20 works · 5.7% of their workEverything else: 93 works · 27.1% of their workLife Sciences: 10 works · 3.0% of their workImmunology and Microbiology: 10 works · 3.0% of their workImmunology: 10 works · 3.0% of their workTHEIR WORKKarl J. Oldhafer345works
Life Sciences3%Health Sciences70%

Their six largest subfields, inside their fields and domains; the grey slice is everything else they publish. The interactive view splits every one of their works down to single topics.

The fields and subfields, with their numbers
    1. Medicine24169.9%
  2. Everything else9327.1%
    1. Immunology and Microbiology103.0%
  1. 1Surgery27% of their works
  2. 2Hepatology20% of their works
  3. 3Pulmonary and Respiratory Medicine9% of their works
  4. 4Oncology8% of their works
  5. 5Epidemiology6% of their works
  6. 6Immunology3% of their works

Research topics

Which keywords describe Karl J. Oldhafer's research?

The keywords of their largest research topics: Hepatocellular Carcinoma, Graft Survival, Cholangiocarcinoma, Liver Cancer, Management, Ischemia-Reperfusion Injury, Liver Transplantation and Biliary Tract Cancer.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most. The words come from the keyword list OpenAlex gives each topic, not from the text of the papers, so a word can appear that none of the papers uses.

All 19 words, with their numbers
  1. Hepatocellular Carcinoma1482 topics
  2. Graft Survival1182 topics
  3. Cholangiocarcinoma1162 topics
  4. Liver Cancer1101 topic
  5. Management1101 topic
  6. Ischemia-Reperfusion Injury971 topic
  7. Liver Transplantation971 topic
  8. Biliary Tract Cancer711 topic
  9. Intrahepatic Cholangiocarcinoma711 topic
  10. Hepatic Encephalopathy521 topic
  11. Liver Cirrhosis521 topic
  12. Cholecystitis451 topic
  13. ERCP451 topic
  14. NAFLD381 topic
  15. NASH381 topic
  16. Pancreatic Cancer321 topic
  17. Surgical Complications321 topic
  18. Kidney Transplantation211 topic
  19. Renal Allograft211 topic

Where does Karl J. Oldhafer work?

Karl J. Oldhafer's main affiliation in the publication record is Asklepios Klinik Barmbek, Germany.

How many publications and citations does Karl J. Oldhafer have?

OpenAlex counts 345 works and 7,051 citations for Karl J. Oldhafer, an h-index of 45, ranking #1,528,645 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised citation excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Other researchers named Karl J. Oldhafer

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