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Subfield · Medicine

Internal Medicine research

Internal Medicine is a subfield of Medicine. Science Explorer counts 74k research works in it since 1950. 13.3% of them reached the world's top 10% most cited for their field and year.

In short: medical specialty dealing with the prevention, diagnosis, and treatment of diseases of internal organs.

Research works
74k
fractional, since 1950
In the world top 10%
9.8k
per year above
Top-10% rate
13.3%
share of its works in the world top 10%
Topics
1
Growth, 2013–17 → 2018–22
+30%
the tick is no change

This ranks research output and citation impact. It says nothing about the quality of diagnosis, treatment or care.

Which countries lead Internal Medicine research?

On research quality in 2022–2025, the United States, China and the United Kingdom rank highest in Internal Medicine. By volume, the United States and China publish the most (3.7k and 1.5k works in 2022–2025).

By research quality, 2022–2025

  1. 1 United States · #1 all time 10.3% top 10% · 3.7k works
  2. 2 China · #8 all time 16.7% top 10% · 1.5k works
  3. 3 United Kingdom · #2 all time 13.1% top 10% · 554 works
  4. 4 Italy · #6 all time 16.8% top 10% · 472 works
  5. 5 Germany · #4 all time 15.4% top 10% · 454 works
  6. 6 France · #5 all time 14.8% top 10% · 368 works
  7. 7 Canada · #3 all time 18.0% top 10% · 318 works
  8. 8 Japan · #11 all time 7.6% top 10% · 547 works
  9. 9 Spain · #12 all time 9.1% top 10% · 392 works
  10. 10 Australia · #9 all time 15.5% top 10% · 207 works

The track on each row is that row’s top-10% rate. The ranking itself is the composite score, which the rate is only one part of.

Of 14 countries ranked in Internal Medicine. Composite of field-normalised excellence (50%), output (30%) and citations (20%); the bracket is the all-time rank.

All countries ranked in Internal Medicine

By volume, 2022–2025

  1. 1 United States 3.7k works
  2. 2 China 1.5k works
  3. 3 United Kingdom 554 works
  4. 4 Japan 547 works
  5. 5 Italy 472 works
  6. 6 India 463 works
  7. 7 Germany 454 works
  8. 8 Spain 392 works
  9. 9 Türkiye 387 works
  10. 10 France 368 works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

United States: 42.0%China: 17.1%United Kingdom: 6.2%Japan: 6.2%6 others listed: 28.5%42%largest
United States3,737 · 42.0%China1,525 · 17.1%United Kingdom554 · 6.2%Japan547 · 6.2%6 others listed2,537 · 28.5%

Shares of the rows listed above, not of the whole node.

Which institutions lead Internal Medicine research?

By volume in 2022–2025, Massachusetts General Hospital publishes the most Internal Medicine research, followed by Cleveland Clinic and Harvard University.

By volume, 2022–2025

  1. 1 Massachusetts General HospitalUnited States 50 works
  2. 2 Cleveland ClinicUnited States 47 works
  3. 3 Harvard UniversityUnited States 46 works
  4. 4 University of North Carolina at Chapel HillUnited States 44 works
  5. 5 Yale UniversityUnited States 40 works
  6. 6 Capital Medical UniversityChina 38 works
  7. 7 Brigham and Women's HospitalUnited States 37 works
  8. 8 Chinese Academy of Medical Sciences & Peking Union Medical CollegeChina 36 works
  9. 9 Sağlık Bilimleri ÜniversitesiTürkiye 36 works
  10. 10 Mayo Clinic in ArizonaUnited States 34 works

Who are the leading researchers in Internal Medicine?

Among the most productive authors in Internal Medicine, Gordon Guyatt, Graeme J. Hankey and Patrick M. Bossuyt rank highest on the composite score.

  1. 1 Gordon Guyatt Canada · #11 worldwide 6.8k citations · 254 works
  2. 2 Graeme J. Hankey Australia · #15 worldwide 7.2k citations · 205 works
  3. 3 Patrick M. Bossuyt Netherlands · #59 worldwide 14k citations · 137 works
  4. 4 Victor Aboyans France · #74 worldwide 4.9k citations · 135 works
  5. 5 Robert O. Bonow United States · #85 worldwide 4.5k citations · 220 works
  6. 6 Holger J. Schünemann Canada · #160 worldwide 3.9k citations · 122 works
  7. 7 M. Hassan Murad United States · #176 worldwide 3.7k citations · 177 works
  8. 8 Marco Valgimigli United States · #295 worldwide 2.8k citations · 191 works
  9. 9 Elliott M. Antman United States · #332 worldwide 3.2k citations · 125 works
  10. 10 Valentı́n Fuster United States · #368 worldwide 5.4k citations · 319 works

Re-ranked on the composite score from the 4,137 highest-output authors in Internal Medicine. Identities come from OpenAlex author disambiguation, which occasionally merges or splits people.

Top 100 Internal Medicine researchers

Where is Internal Medicine research done?

The largest centres of Internal Medicine research in 2022–2025 are Beijing (China), New York (United States), London (United Kingdom) and Boston (United States).

Largest cities, 2022–2025

  1. 1 Beijing China 238 works
  2. 2 New York United States 203 works
  3. 3 London United Kingdom 169 works
  4. 4 Boston United States 159 works
  5. 5 Moscow Russia 155 works
  6. 6 Paris France 134 works
  7. 7 Philadelphia United States 131 works
  8. 8 Madrid Spain 131 works
  9. 9 Tokyo Japan 120 works
  10. 10 Istanbul Türkiye 110 works
See Internal Medicine on the map

Internal Medicine research by country

The best places for Internal Medicine research inside each country, with that country's researchers and world standing.

Where is the best place to study Internal Medicine?

Among universities, judged by research, Victor Babeș University of Medicine and Pharmacy Timișoara, Pirogov Russian National Research Medical University and Medical University of Vienna score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%20%40%60%mean 20.51%fractional works in this node (log) →share in the world top 10% →Victor Babeș University of Medicine and Pharmacy Timișoara: 9, 48.0%Pirogov Russian National Research Medical University: 33, 5.0%Medical University of Vienna: 30, 21.9%Johannes Gutenberg University Mainz: 18, 29.6%Harvard University: 46, 21.5%Icahn School of Medicine at Mount Sinai: 33, 8.6%University of Ottawa: 22, 22.8%Medical University of Warsaw: 19, 19.7%Capital Medical University: 38, 14.1%Yale University: 40, 13.9%Victor Babeș Univers…Johannes Gutenberg U…Medical University o…Pirogov Russian Nati…
above the meannear itbelow it

One dot per university in the table below. The upper left is the interesting corner: small places doing unusually strong work.

#UniversityScoreTop 10%SpecialisationWorksGrowth
1 Victor Babeș University of Medicine and Pharmacy TimișoaraRomania 65.848.0%7.7×9 +322.9%
2 Pirogov Russian National Research Medical UniversityRussia 60.15.0%15.2×33 +490.4%
3 Medical University of ViennaAustria 54.921.9%8.0×30 -11.5%
4 Johannes Gutenberg University MainzGermany 51.329.6%4.9×18 +89.9%
5 Harvard UniversityUnited States 48.621.5%3.0×46 +34.5%
6 Icahn School of Medicine at Mount SinaiUnited States 48.28.6%5.5×33 +144.5%
7 University of OttawaCanada 47.922.8%3.5×22 +124.8%
8 Medical University of WarsawPoland 47.419.7%7.0×19 +66.9%
9 Capital Medical UniversityChina 46.714.1%5.4×38 +65.7%
10 Yale UniversityUnited States 46.613.9%3.3×40 +121.4%

Universities only. Score blends excellence (30%), specialisation (25%), size (20%), growth (15%) and international reach (10%), 2015–2022; growth compares 2010–14 with 2015–19.

Is Internal Medicine research growing?

Output in 2018–2022 was 30% higher than in 2013–2017, peaking in 2021. The fastest-growing topics are Venous Thromboembolism Diagnosis and Management.

19801990200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.

What does Internal Medicine include?