World's Best Scientists 2026 revealed!
Roger Bouillon

Roger Bouillon

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Medicine
Belgium
2026

D-Index & Metrics

Medicine

D-Index
155
Citations
101307
World Ranking
949
National Ranking
10

Roger Bouillon publication distribution in Medicine in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Medicine in 2026. The highlighted bar marks where Roger Bouillon sits on this spectrum.

101–120 publications: 5 scientists 121–140 publications: 26 scientists 141–160 publications: 73 scientists 161–180 publications: 155 scientists 181–200 publications: 230 scientists 201–220 publications: 363 scientists 221–240 publications: 487 scientists 241–260 publications: 545 scientists 261–280 publications: 722 scientists 281–300 publications: 768 scientists 301–320 publications: 834 scientists 321–340 publications: 895 scientists 341–360 publications: 922 scientists 361–380 publications: 838 scientists 381–400 publications: 861 scientists 401–420 publications: 918 scientists 421–440 publications: 806 scientists 441–460 publications: 771 scientists 461–480 publications: 751 scientists 481–500 publications: 713 scientists 501–520 publications: 617 scientists 521–540 publications: 611 scientists 541–560 publications: 537 scientists 561–580 publications: 504 scientists 581–600 publications: 509 scientists 601–620 publications: 396 scientists 621–640 publications: 386 scientists 641–660 publications: 371 scientists 661–680 publications: 340 scientists 681–700 publications: 336 scientists 701–720 publications: 307 scientists 721–740 publications: 259 scientists 741–760 publications: 230 scientists 761–780 publications: 228 scientists 781–800 publications: 217 scientists 801–820 publications: 204 scientists 821–840 publications: 186 scientists 841–860 publications: 177 scientists 861–880 publications: 155 scientists 881–900 publications: 139 scientists 901–920 publications: 145 scientists 921–940 publications: 116 scientists 941–960 publications: 133 scientists 961–980 publications: 91 scientists 981–1,000 publications: 96 scientists 1,001–1,020 publications: 77 scientists 1,021–1,040 publications: 70 scientists 1,041–1,060 publications: 63 scientists 1,061–1,080 publications: 77 scientists 1,081–1,100 publications: 49 scientists 1,101–1,120 publications: 54 scientists 1,121–1,140 publications: 49 scientists 1,141–1,160 publications: 51 scientists 1,161–1,180 publications: 35 scientists 1,181–1,200 publications: 39 scientists 1,201–1,220 publications: 26 scientists 1,221–1,240 publications: 37 scientists 1,241–1,260 publications: 36 scientists 1,261–1,280 publications: 27 scientists 1,281–1,300 publications: 32 scientists 1,301–1,320 publications: 28 scientists 1,321–1,340 publications: 17 scientists 1,341–1,360 publications: 30 scientists 1,361–1,380 publications: 28 scientists 1,381–1,400 publications: 17 scientists 1,401–1,420 publications: 21 scientists 1,421–1,440 publications: 15 scientists 1,441–1,460 publications: 12 scientists 1,461–1,480 publications: 12 scientists 1,481–1,500 publications: 18 scientists 1,501–1,520 publications: 14 scientists 1,521–1,540 publications: 17 scientists 1,541–1,560 publications: 15 scientists 1,561–1,580 publications: 6 scientists 1,581–1,600 publications: 2 scientists 1,601–1,620 publications: 12 scientists 1,621–1,640 publications: 11 scientists 1,641–1,660 publications: 8 scientists 1,661–1,680 publications: 5 scientists 1,681–1,700 publications: 5 scientists 1,701–1,720 publications: 10 scientists 1,721–1,740 publications: 12 scientists 1,741–1,760 publications: 14 scientists 1,761–1,780 publications: 6 scientists 1,781–1,795 publications: 5 scientists 1,796+ publications: 100 scientists
101 publications 1,796+

This scientist: 982 publications — 94th percentile

94% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,796 publications or more.

Roger Bouillon D-index placement in Medicine in 2026

The chart shows the D-index (discipline H-index) distribution of Medicine scientists ranked by Research.com in 2026. The highlighted bar marks where Roger Bouillon sits on this spectrum.

70–71 D-Index: 226 scientists 72–73 D-Index: 391 scientists 74–75 D-Index: 574 scientists 76–77 D-Index: 730 scientists 78–79 D-Index: 891 scientists 80–81 D-Index: 972 scientists 82–83 D-Index: 1,027 scientists 84–85 D-Index: 1,003 scientists 86–87 D-Index: 960 scientists 88–89 D-Index: 970 scientists 90–91 D-Index: 922 scientists 92–93 D-Index: 839 scientists 94–95 D-Index: 808 scientists 96–97 D-Index: 779 scientists 98–99 D-Index: 668 scientists 100–101 D-Index: 611 scientists 102–103 D-Index: 630 scientists 104–105 D-Index: 513 scientists 106–107 D-Index: 541 scientists 108–109 D-Index: 445 scientists 110–111 D-Index: 429 scientists 112–113 D-Index: 400 scientists 114–115 D-Index: 393 scientists 116–117 D-Index: 318 scientists 118–119 D-Index: 302 scientists 120–121 D-Index: 287 scientists 122–123 D-Index: 255 scientists 124–125 D-Index: 256 scientists 126–127 D-Index: 252 scientists 128–129 D-Index: 230 scientists 130–131 D-Index: 179 scientists 132–133 D-Index: 168 scientists 134–135 D-Index: 163 scientists 136–137 D-Index: 159 scientists 138–139 D-Index: 134 scientists 140–141 D-Index: 134 scientists 142–143 D-Index: 118 scientists 144–145 D-Index: 109 scientists 146–147 D-Index: 106 scientists 148–149 D-Index: 74 scientists 150–151 D-Index: 79 scientists 152–153 D-Index: 80 scientists 154–155 D-Index: 87 scientists 156–157 D-Index: 57 scientists 158–159 D-Index: 74 scientists 160–161 D-Index: 69 scientists 162–163 D-Index: 60 scientists 164–165 D-Index: 53 scientists 166–167 D-Index: 39 scientists 168–169 D-Index: 42 scientists 170–171 D-Index: 32 scientists 172–173 D-Index: 39 scientists 174–175 D-Index: 40 scientists 176–177 D-Index: 28 scientists 178–179 D-Index: 19 scientists 180–181 D-Index: 23 scientists 182–183 D-Index: 31 scientists 184–185 D-Index: 18 scientists 186–187 D-Index: 20 scientists 188–189 D-Index: 22 scientists 190–191 D-Index: 13 scientists 192–193 D-Index: 21 scientists 194–195 D-Index: 12 scientists 196–197 D-Index: 12 scientists 198–199 D-Index: 14 scientists 200–201 D-Index: 15 scientists 202–203 D-Index: 13 scientists 204–205 D-Index: 10 scientists 206–207 D-Index: 8 scientists 208–209 D-Index: 4 scientists 210–211 D-Index: 12 scientists 212–213 D-Index: 11 scientists 214–215 D-Index: 10 scientists 216 D-Index: 4 scientists 217+ D-Index: 98 scientists
70 D-Index 217+

This scientist: 155 D-Index — 95th percentile

95% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 217 D-Index or more.

Research.com Recognitions

  • 2026 - Research.com Medicine in Belgium Leader Award
  • 2025 - Research.com Medicine in Belgium Leader Award
  • 2023 - Research.com Medicine in Belgium Leader Award
  • 2022 - Research.com Medicine in Belgium Leader Award

Overview

Roger Bouillon is affiliated with KU Leuven in Belgium and has contributed extensively to the field of Medicine, authoring 115 publications.

The scientist's research predominantly centers on several key subfields within Medicine, including:

  • Pathology and Forensic Medicine
  • Nutrition and Dietetics
  • Orthopedics and Sports Medicine
  • Infectious Diseases
  • Neurology

Key topics of Roger Bouillon's work encompass a variety of areas, notably:

  • Vitamin D Research Studies
  • Vitamin C and Antioxidants Research
  • Bone health and osteoporosis research
  • COVID-19 Clinical Research Studies
  • Long-Term Effects of COVID-19
  • Diet and metabolism studies
  • Pharmacological Effects and Toxicity Studies

Several frequent co-authors have collaborated with Bouillon, including:

  • José Manuel Quesada-Gómez
  • Peter R. Ebeling
  • John P. Bilezikian
  • Neil Binkley
  • Andrea Giustina

Publications by Roger Bouillon have appeared most frequently in the following journals:

  • Nutrients
  • The Journal of Steroid Biochemistry and Molecular Biology
  • Journal of Bone and Mineral Research
  • Reviews in Endocrine and Metabolic Disorders
  • The Journal of Clinical Endocrinology & Metabolism

Selected recent papers authored or co-authored by Roger Bouillon include:

  • "Effect of calcifediol treatment and best available therapy versus best available therapy on intensive care unit admission and mortality among patients hospitalized for COVID-19: A pilot randomized clinical study," 2020, The Journal of Steroid Biochemistry and Molecular Biology
  • The health effects of vitamin D supplementation: evidence from human studies, 2021, Nature Reviews Endocrinology
  • Vitamin D Binding Protein: A Historic Overview, 2020, Frontiers in Endocrinology
  • Consensus statement from 2nd International Conference on Controversies in Vitamin D, 2020, Reviews in Endocrine and Metabolic Disorders
  • Consensus Statement on Vitamin D Status Assessment and Supplementation: Whys, Whens, and Hows, 2024, Endocrine Reviews

Best Publications

  • Intensive Insulin Therapy in Critically Ill Patients

    Greet Van den Berghe;Pieter Wouters;Frank Weekers;Charles Verwaest

  • Intensive insulin therapy in the medical ICU.

    Greet Van den Berghe;Alexander Wilmer;Greet Hermans;Wouter Meersseman

  • Vitamin D and Human Health: Lessons from Vitamin D Receptor Null Mice

    Roger Bouillon;Geert Carmeliet;Lieve Verlinden;Evelyne van Etten

  • An overview of real-time quantitative PCR: applications to quantify cytokine gene expression.

    Annapaula Giulietti;Lutgart Overbergh;Dirk Valckx;Brigitte Decallonne

  • Structure-Function Relationships in the Vitamin D Endocrine System*

    Roger Bouillon;William H. Okamura;Anthony W. Norman

  • Outcome benefit of intensive insulin therapy in the critically ill: Insulin dose versus glycemic control.

    Greet Van den Berghe;Pieter J. Wouters;Roger Bouillon;Frank Weekers

  • Primer on the metabolic bone diseases and disorders of mineral metabolism

    John P. Bilezikian;Roger Bouillon;Thomas Clemens;Juliet Compston

  • Improvement of gastric emptying in diabetic gastroparesis by erythromycin : preliminary studies

    J Janssens;T L Peeters;G Vantrappen;J Tack

  • Vitamin D and diabetes.

    Chantal Mathieu;Conny Gysemans;Annapaula Giulietti;Roger Bouillon

  • Skeletal and Extraskeletal Actions of Vitamin D: Current Evidence and Outstanding Questions.

    Roger Bouillon;Claudio Marcocci;Geert Carmeliet;Daniel Bikle

  • Androgens and bone

    Dirk Vanderschueren;Liesbeth Vandenput;Steven Boonen;Marie K. Lindberg

  • Vitamin D and Diabetes

    Tatiana Takiishi;Conny Gysemans;Roger Bouillon;Chantal Mathieu

  • Intensive Insulin Therapy in Mixed Medical/Surgical Intensive Care Units Benefit Versus Harm

    Greet Van den Berghe;Alexander Wilmer;Ilse Milants;Pieter J. Wouters

  • Duodenal calcium absorption in vitamin D receptor-knockout mice: functional and molecular aspects.

    Sophie J. Van Cromphaut;Mieke Dewerchin;Joost G. J. Hoenderop;Ingrid Stockmans

  • Need for additional calcium to reduce the risk of hip fracture with vitamin D supplementation: Evidence from a comparative metaanalysis of randomized controlled trials

    Steven Boonen;Paul Lips;Roger Bouillon;Heike A. Bischoff-Ferrari

  • "Effect of calcifediol treatment and best available therapy versus best available therapy on intensive care unit admission and mortality among patients hospitalized for COVID-19: A pilot randomized clinical study".

    Marta Entrenas Castillo;Luis Manuel Entrenas Costa;José Manuel Vaquero Barrios;Juan Francisco Alcalá Díaz

  • Influence of the Vitamin D-binding Protein on the Serum Concentration of 1,25-Dihydroxyvitamin D3: SIGNIFICANCE OF THE FREE 1,25-DIHYDROXYVITAMIN D3 CONCENTRATION

    Roger Bouillon;Frans Andre Van Assche;Hugo Van Baelen;Walter Heyns

  • Estrogens and Androgens in Skeletal Physiology and Pathophysiology.

    Maria Almeida;Michaël R. Laurent;Vanessa Dubois;Frank Claessens

  • Consensus development conference: Prophylaxis and treatment of osteoporosis

    Roger Bouillon;P Burckhardt;C Christiansen;HA Fleisch

  • Vitamin D deficiency.

    Roger Bouillon;Anthony W Norman;Paul Lips

Frequent Co-Authors

Steven Boonen
Steven Boonen KU Leuven
Guy Eelen
Guy Eelen KU Leuven
Johan Auwerx
Johan Auwerx École Polytechnique Fédérale de Lausanne
Felipe F. Casanueva
Felipe F. Casanueva University of Santiago de Compostela
Marc Decramer
Marc Decramer KU Leuven

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