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Researcher · Onomichi General Hospital · Japan

Keiji Hanada

Keiji Hanada publishes mostly in Surgery, Oncology and Pulmonary and Respiratory Medicine, on topics such as Pancreatic and Hepatic Oncology Research, Gallbladder and Bile Duct Disorders and Pancreatitis Pathology and Treatment.

ORCID 0000-0003-3196-8551 OpenAlex
World rank
#629,771
of 7,710,434 ranked researchers
Rank in Japan
#7,020
of 383,136
Works
259
Citations
6.7k
Citations per work
26.0
h-index
45
i10-index 103Top 2.1% in Surgery
Keiji Hanada

What does Keiji Hanada research?

Keiji Hanada's work is mostly in Medicine (78%), Biochemistry, Genetics and Molecular Biology (3%).

Health Sciences: 201 works · 77.5% of their workMedicine: 201 works · 77.5% of their workSurgery: 73 works · 28.3% of their workOncology: 68 works · 26.2% of their workPulmonary and Respiratory Medicine: 39 works · 15.1% of their workEpidemiology: 14 works · 5.3% of their workRheumatology: 7 works · 2.6% of their workEverything else: 52 works · 19.9% of their workLife Sciences: 7 works · 2.6% of their workBiochemistry, Genetics and Molecular Biology: 7 works · 2.6% of their workCancer Research: 7 works · 2.6% of their workTHEIR WORKKeiji Hanada259works
Life Sciences3%Health Sciences78%

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. Medicine20177.5%
  2. Everything else5219.9%
    1. Biochemistry, Genetics and Molecular Biology72.6%
  1. 1Surgery28% of their works
  2. 2Oncology26% of their works
  3. 3Pulmonary and Respiratory Medicine15% of their works
  4. 4Epidemiology5% of their works
  5. 5Cancer Research3% of their works
  6. 6Rheumatology3% of their works

Research topics

Which keywords describe Keiji Hanada's research?

The keywords of their largest research topics: Chemotherapy, Pancreatic Cancer, Surgical Complications, Cholangiocarcinoma, Epidemiology, Cholecystitis, ERCP and Acute Pancreatitis.

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 20 words, with their numbers
  1. Chemotherapy1592 topics
  2. Pancreatic Cancer1441 topic
  3. Surgical Complications1441 topic
  4. Cholangiocarcinoma1232 topics
  5. Epidemiology1202 topics
  6. Cholecystitis711 topic
  7. ERCP711 topic
  8. Acute Pancreatitis681 topic
  9. Chronic Pancreatitis681 topic
  10. Biliary Tract Cancer521 topic
  11. Intrahepatic Cholangiocarcinoma521 topic
  12. Survival Analysis402 topics
  13. Alagille Syndrome311 topic
  14. Biliary Atresia311 topic
  15. Neuroendocrine Tumors251 topic
  16. Pancreatic Neuroendocrine Tumors251 topic
  17. Endoscopic Stenting161 topic
  18. Esophageal Perforation161 topic
  19. Endoscopic Resection151 topic
  20. Gastric Cancer151 topic

Where does Keiji Hanada work?

Keiji Hanada's main affiliation in the publication record is Onomichi General Hospital, Japan.

How many publications and citations does Keiji Hanada have?

OpenAlex counts 259 works and 6,723 citations for Keiji Hanada, an h-index of 45, ranking #629,771 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.

Papers, co-authors, who cited this work and researchers on the nearest topics have tabs of their own, above. Is this your page? Claim it with your ORCID iD, or request a correction or removal.

Discussion

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