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Researcher · Johns Hopkins University · United States

John H. Kempen

John H. Kempen publishes mostly in Ophthalmology, Epidemiology and Radiology, Nuclear Medicine and Imaging, on topics such as Ocular Diseases and Behçet’s Syndrome, Retinal Diseases and Treatments and Retinal and Optic Conditions.

ORCID 0000-0002-2967-4792 OpenAlex
World rank
#48,683
of 7,710,434 ranked researchers
Rank in United States
#18,793
of 1,627,098
Works
341
Citations
43k
Citations per work
125.4
h-index
73
i10-index 194Top 0.4% in Ophthalmology
John H. Kempen

What does John H. Kempen research?

John H. Kempen's work is mostly in Medicine (72%).

Health Sciences: 245 works · 71.9% of their workMedicine: 245 works · 71.9% of their workOphthalmology: 150 works · 44.0% of their workEpidemiology: 39 works · 11.5% of their workRadiology, Nuclear Medicine and Imaging: 18 works · 5.3% of their workRheumatology: 16 works · 4.6% of their workPhysiology: 13 works · 3.8% of their workNeurology: 9 works · 2.7% of their workEverything else: 96 works · 28.1% of their workTHEIR WORKJohn H. Kempen341works
Health Sciences72%

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. Medicine24571.9%
  2. Everything else9628.1%
  1. 1Ophthalmology44% of their works
  2. 2Epidemiology12% of their works
  3. 3Radiology, Nuclear Medicine and Imaging5% of their works
  4. 4Rheumatology5% of their works
  5. 5Physiology4% of their works
  6. 6Neurology3% of their works

Research topics

Which keywords describe John H. Kempen's research?

The keywords of their largest research topics: Epidemiology, Behçet's Disease, Uveitis, Macular Degeneration, Retinal Pigment Epithelium, COVID-19, Ocular Findings and Cytomegalovirus.

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 17 words, with their numbers
  1. Epidemiology2462 topics
  2. Behçet's Disease2051 topic
  3. Uveitis2051 topic
  4. Macular Degeneration641 topic
  5. Retinal Pigment Epithelium641 topic
  6. COVID-19621 topic
  7. Ocular Findings621 topic
  8. Cytomegalovirus471 topic
  9. Infection471 topic
  10. Myopia411 topic
  11. Visual Impairment411 topic
  12. Cardiac281 topic
  13. Sarcoidosis281 topic
  14. Retinoblastoma231 topic
  15. Uveal Melanoma231 topic
  16. Primary CNS Lymphoma211 topic
  17. Prognostic Scoring System211 topic

Where does John H. Kempen work?

John H. Kempen's main affiliation in the publication record is Johns Hopkins University, United States.

How many publications and citations does John H. Kempen have?

OpenAlex counts 341 works and 42,751 citations for John H. Kempen, an h-index of 73, ranking #48,683 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.

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