Citation Rankings
Highly Cited Researchers

Highly Cited Researchers 1.104 Scientists Citation Rankings - 2025

Discover the world’s highly cited researchers through the AD Scientific Index 2025 Citation Rankings.
These rankings evaluate scientists based on their total and recent citation counts, capturing the breadth and real-time currency of academic recognition. Citation data reveals how widely a scholar’s work is referenced, applied, and extended across diverse disciplines. The rankings are routinely updated to reflect ongoing citation growth, while eliminating distortions from excessive co-authorship and institutional inflation. Premium tools provide access to detailed citation dynamics, unethical citation behavior detection, and field-normalized benchmarking.

* Total Citation Rankings

Rankings

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6,792
World Rank
Italy
347
Country Rank
Università degli Studi di Palermo Logo
1
University
Ranking Based On Selection:
1
Medical and Health Sciences / Gastroenterology
Hepatology - Gastroenterolog

Citation Metrics

  • Total
    67,113
  • Last 6 Years
    22,248
  • Last 6 Years / Total
    0.332
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* Total Citation Rankings

Rankings

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9,429
World Rank
Italy
431
Country Rank
Università degli Studi di Palermo Logo
2
University
Ranking Based On Selection:
2
Others
frailty | epidemiology | meta-analysis | osteoarthriti

Citation Metrics

  • Total
    54,629
  • Last 6 Years
    46,108
  • Last 6 Years / Total
    0.844
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* Total Citation Rankings

Rankings

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16,258
World Rank
Italy
661
Country Rank
Università degli Studi di Palermo Logo
3
University
Ranking Based On Selection:
3
Natural Sciences / Physics
Fisica | Medical Imaging | Intelligenza Artificiale | Fisica delle Alte energi

Citation Metrics

  • Total
    38,824
  • Last 6 Years
    3,668
  • Last 6 Years / Total
    0.094
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* Total Citation Rankings

Rankings

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20,071
World Rank
Italy
799
Country Rank
Università degli Studi di Palermo Logo
4
University
Ranking Based On Selection:
4

Citation Metrics

  • Total
    33,846
  • Last 6 Years
    11,036
  • Last 6 Years / Total
    0.326
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* Total Citation Rankings

Rankings

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21,482
World Rank
Italy
857
Country Rank
Università degli Studi di Palermo Logo
5
University
Ranking Based On Selection:
5

Citation Metrics

  • Total
    32,446
  • Last 6 Years
    16,429
  • Last 6 Years / Total
    0.506
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* Total Citation Rankings

Rankings

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22,953
World Rank
Italy
903
Country Rank
Università degli Studi di Palermo Logo
6
University
Ranking Based On Selection:
6
Natural Sciences / Physics
Econophysics | Statistical physics | Complex systems | Financial markets | Information filterin

Citation Metrics

  • Total
    31,085
  • Last 6 Years
    7,532
  • Last 6 Years / Total
    0.242
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* Total Citation Rankings

Rankings

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24,495
World Rank
Italy
960
Country Rank
Università degli Studi di Palermo Logo
7
University
Ranking Based On Selection:
7
Natural Sciences / Molecular Biology & Genetics
Tumor Biology | Molecular Oncology | Cancer Stem Cell

Citation Metrics

  • Total
    29,807
  • Last 6 Years
    9,474
  • Last 6 Years / Total
    0.318
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* Total Citation Rankings

Rankings

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24,734
World Rank
Italy
964
Country Rank
Università degli Studi di Palermo Logo
8
University
Ranking Based On Selection:
8
* Total Citation Rankings

Rankings

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26,885
World Rank
Italy
1,045
Country Rank
Università degli Studi di Palermo Logo
9
University
Ranking Based On Selection:
9
Medical and Health Sciences / Immunology
Longevity | Supercentenarians | Immunogenetics | Immunopatholog

Citation Metrics

  • Total
    28,004
  • Last 6 Years
    9,264
  • Last 6 Years / Total
    0.331
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* Total Citation Rankings

Rankings

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28,153
World Rank
Italy
1,089
Country Rank
Università degli Studi di Palermo Logo
11
University
Ranking Based On Selection:
10
Natural Sciences / Molecular Biology & Genetics
cellule staminali tumorali | terapie antitumorali mirate | oncologia molecolar

Citation Metrics

  • Total
    27,163
  • Last 6 Years
    8,538
  • Last 6 Years / Total
    0.314
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* Total Citation Rankings

Rankings

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28,407
World Rank
Italy
1,099
Country Rank
Università degli Studi di Palermo Logo
12
University
Ranking Based On Selection:
11

Citation Metrics

  • Total
    27,012
  • Last 6 Years
    8,902
  • Last 6 Years / Total
    0.330
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* Total Citation Rankings

Rankings

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27,979
World Rank
Italy
1,085
Country Rank
Università degli Studi di Palermo Logo
10
University
Ranking Based On Selection:
12
Natural Sciences / Molecular Biology & Genetics
genetic disorders of lipid metabolism | atherosclerosis | clinical epidemiology | rare inherited metabolic disorder

Citation Metrics

  • Total
    27,276
  • Last 6 Years
    11,385
  • Last 6 Years / Total
    0.417
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* Total Citation Rankings

Rankings

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30,571
World Rank
Italy
1,188
Country Rank
Università degli Studi di Palermo Logo
13
University
Ranking Based On Selection:
13

Citation Metrics

  • Total
    25,707
  • Last 6 Years
    7,897
  • Last 6 Years / Total
    0.307
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* Total Citation Rankings

Rankings

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33,779
World Rank
Italy
1,306
Country Rank
Università degli Studi di Palermo Logo
15
University
Ranking Based On Selection:
14
Others
diabetes | obesity | dyslipidemia | metabolic syndrome | cardiovascular ris

Citation Metrics

  • Total
    23,999
  • Last 6 Years
    13,107
  • Last 6 Years / Total
    0.546
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* Total Citation Rankings

Rankings

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33,585
World Rank
Italy
1,296
Country Rank
Università degli Studi di Palermo Logo
14
University
Ranking Based On Selection:
15
Medical and Health Sciences / Internal Medicine
Hepatology | Liver Diseases and Immunology | Infectious Diseases | Gastroenterology | Cardiovascular Disease

Citation Metrics

  • Total
    24,101
  • Last 6 Years
    7,990
  • Last 6 Years / Total
    0.332
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* Total Citation Rankings

Rankings

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37,299
World Rank
Italy
1,456
Country Rank
Università degli Studi di Palermo Logo
16
University
Ranking Based On Selection:
16
Medical and Health Sciences / Anatomy
Anatomia umana | Istologia | Embriologia | Organogenesi | Stress cellular

Citation Metrics

  • Total
    22,355
  • Last 6 Years
    12,330
  • Last 6 Years / Total
    0.552
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* Total Citation Rankings

Rankings

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40,083
World Rank
Italy
1,560
Country Rank
Università degli Studi di Palermo Logo
17
University
Ranking Based On Selection:
17

Citation Metrics

  • Total
    21,251
  • Last 6 Years
    6,140
  • Last 6 Years / Total
    0.289
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* Total Citation Rankings

Rankings

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41,632
World Rank
Italy
1,616
Country Rank
Università degli Studi di Palermo Logo
18
University
Ranking Based On Selection:
18
Medical and Health Sciences / Gastroenterology
gastroenterologia.metodologia.epatocarcinom

Citation Metrics

  • Total
    20,696
  • Last 6 Years
    5,238
  • Last 6 Years / Total
    0.253
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* Total Citation Rankings

Rankings

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42,642
World Rank
Italy
1,653
Country Rank
Università degli Studi di Palermo Logo
19
University
Ranking Based On Selection:
19

Citation Metrics

  • Total
    20,334
  • Last 6 Years
    8,772
  • Last 6 Years / Total
    0.431
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* Total Citation Rankings

Rankings

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43,714
World Rank
Italy
1,702
Country Rank
Università degli Studi di Palermo Logo
20
University
Ranking Based On Selection:
20

Citation Metrics

  • Total
    19,955
  • Last 6 Years
    9,442
  • Last 6 Years / Total
    0.473
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* Total Citation Rankings

Rankings

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45,120
World Rank
Italy
1,750
Country Rank
Università degli Studi di Palermo Logo
21
University
Ranking Based On Selection:
21
Medical and Health Sciences / Internal Medicine
Geriatric Medicine | Gerontology | Aging | Frailty

Citation Metrics

  • Total
    19,501
  • Last 6 Years
    10,299
  • Last 6 Years / Total
    0.528
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* Total Citation Rankings

Rankings

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46,984
World Rank
Italy
1,814
Country Rank
Università degli Studi di Palermo Logo
22
University
Ranking Based On Selection:
22

Citation Metrics

  • Total
    18,927
  • Last 6 Years
    7,770
  • Last 6 Years / Total
    0.411
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* Total Citation Rankings

Rankings

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48,061
World Rank
Italy
1,855
Country Rank
Università degli Studi di Palermo Logo
23
University
Ranking Based On Selection:
23
Others
Microambiente immunologico e stromale delle neoplasi

Citation Metrics

  • Total
    18,627
  • Last 6 Years
    9,645
  • Last 6 Years / Total
    0.518
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* Total Citation Rankings

Rankings

flag
51,310
World Rank
Italy
1,954
Country Rank
Università degli Studi di Palermo Logo
24
University
Ranking Based On Selection:
24
* Total Citation Rankings

Rankings

flag
53,976
World Rank
Italy
2,058
Country Rank
Università degli Studi di Palermo Logo
25
University
Ranking Based On Selection:
25
Social Sciences / Social Science
oral diseases | oral medicine | osteonecrosis of jaws | oral cancer | gender oral healt

Citation Metrics

  • Total
    17,084
  • Last 6 Years
    7,748
  • Last 6 Years / Total
    0.454
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