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Researcher · Heart Life Hospital · Japan

Norihiko Okushima

Norihiko Okushima publishes mostly in Surgery, Pulmonary and Respiratory Medicine and Gastroenterology, on topics such as Esophageal Cancer Research and Treatment, Esophageal and GI Pathology and Metastasis and carcinoma case studies.

OpenAlex
World rank
#6,248,576
of 7,710,434 ranked researchers
Rank in Japan
#241,907
of 383,136
Works
62
Citations
184
Citations per work
3.0
h-index
4
i10-index 2Top 89% in Surgery
Norihiko Okushima

What does Norihiko Okushima research?

Norihiko Okushima's work is mostly in Medicine (81%), Health Professions (4%).

Health Sciences: 52 works · 84.1% of their workMedicine: 50 works · 80.6% of their workSurgery: 26 works · 42.4% of their workPulmonary and Respiratory Medicine: 14 works · 22.9% of their workGastroenterology: 4 works · 6.9% of their workOncology: 3 works · 4.9% of their workEpidemiology: 2 works · 3.5% of their workHealth Professions: 2 works · 3.5% of their workSpeech and Hearing: 2 works · 3.5% of their workEverything else: 10 works · 15.9% of their workTHEIR WORKNorihiko Okushima62works
Health Sciences84%

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. Medicine5080.6%
    2. Health Professions23.5%
  2. Everything else1015.9%
  1. 1Surgery42% of their works
  2. 2Pulmonary and Respiratory Medicine23% of their works
  3. 3Gastroenterology7% of their works
  4. 4Oncology5% of their works
  5. 5Speech and Hearing4% of their works
  6. 6Epidemiology4% of their works

Research topics

Which keywords describe Norihiko Okushima's research?

The keywords of their largest research topics: Endoscopic Resection, Epidemiology, Esophageal Carcinoma, Preoperative Chemoradiotherapy, Endoscopic Stenting, Esophageal Perforation, Complications and Lung Tumors.

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. Endoscopic Resection242 topics
  2. Epidemiology242 topics
  3. Esophageal Carcinoma201 topic
  4. Preoperative Chemoradiotherapy201 topic
  5. Endoscopic Stenting121 topic
  6. Esophageal Perforation121 topic
  7. Complications92 topics
  8. Lung Tumors81 topic
  9. Metastatic Carcinomas81 topic
  10. Dysphagia51 topic
  11. Hernia Repair51 topic
  12. Mesh Techniques51 topic
  13. Swallowing51 topic
  14. Chemotherapy41 topic
  15. Esophageal Motility Disorders41 topic
  16. Gastric Cancer41 topic
  17. Gastroesophageal Reflux Disease41 topic
  18. Imatinib Mesylate41 topic
  19. Sunitinib41 topic

Where does Norihiko Okushima work?

Norihiko Okushima's main affiliation in the publication record is Heart Life Hospital, Japan.

How many publications and citations does Norihiko Okushima have?

OpenAlex counts 62 works and 184 citations for Norihiko Okushima, an h-index of 4, ranking #6,248,576 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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