World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
123
Citations
52308
World Ranking
3370
National Ranking
1852

Pak H. Chan 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 Pak H. Chan 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: 362 publications — 30th percentile

30% of scientists in this discipline score the same or lower.

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

Pak H. Chan 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 Pak H. Chan 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: 123 D-Index — 84th percentile

84% of scientists in this discipline score the same or lower.

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

Overview

Pak H. Chan is affiliated with Stanford University in the United States and conducts research primarily in the field of Medicine. Their work spans several subfields, including Rheumatology, Neurology, and Surgery.

The scientist's recent publications focus on topics related to oropharyngeal anatomy, facial nerve pathology, and anomalies affecting the head and neck region. Main topics of their research include:

  • Oropharyngeal Anatomy and Pathologies
  • Facial Nerve Paralysis Treatment and Research
  • Head and Neck Anomalies

Pak H. Chan frequently publishes in the Journal of Craniofacial Surgery. Their latest paper, titled Variation and Arrangement of the Digastric Muscle in a Chinese Population, was published in 2024 in this journal.

Collaboration is a notable aspect of their research practice. Pak H. Chan has coauthored work with several researchers, including:

  • Bo Shen
  • Ming Tang
  • Xuliang Zhuang
  • Yongjie Zhang

Their research contributions involve detailed investigations in anatomy and pathology related to the oropharyngeal region, as well as clinical research on facial nerve paralysis and various structural anomalies in the head and neck. These topics are addressed through a combination of clinical observation and anatomical study, contributing to a multidisciplinary understanding in medicine.

Best Publications

  • Reactive oxygen radicals in signaling and damage in the ischemic brain.

    Pak H. Chan

  • Dilated Cardiomyopathy and Neonatal Lethality in Mutant Mice Lacking Manganese Superoxide Dismutase

    Yibing Li;Ting-Ting Huang;Elaine J. Carlson;Simon Melov

  • Aquaporin-4 deletion in mice reduces brain edema after acute water intoxication and ischemic stroke.

    Geoffrey T. Manley;Miki Fujimura;Tonghui Ma;Nobuo Noshita

  • Role of Oxidants in Ischemic Brain Damage

    Pak H. Chan

  • A tetracycline derivative, minocycline, reduces inflammation and protects against focal cerebral ischemia with a wide therapeutic window.

    Juha Yrjänheikki;Tiina Tikka;Riitta Keinänen;Gundars Goldsteins

  • Free Radical Pathways in CNS Injury

    Anders Lewén;Paul Matz;Pak H. Chan

  • Oxidative Stress in Ischemic Brain Damage: Mechanisms of Cell Death and Potential Molecular Targets for Neuroprotection

    Hai Chen;Hideyuki Yoshioka;Gab Seok Kim;Joo Eun Jung

  • Attenuation of focal cerebral ischemic injury in transgenic mice overexpressing CuZn superoxide dismutase.

    Hiroyuki Kinouchi;Charles J. Epstein;Takuji Mizui;Elaine Carlson

  • Mitochondrial Susceptibility to Oxidative Stress Exacerbates Cerebral Infarction That Follows Permanent Focal Cerebral Ischemia in Mutant Mice with Manganese Superoxide Dismutase Deficiency

    Kensuke Murakami;Takeo Kondo;Makoto Kawase;Makoto Kawase;Yibing Li

  • Human copper-zinc superoxide dismutase transgenic mice are highly resistant to reperfusion injury after focal cerebral ischemia.

    G Yang;P H Chan;J Chen;E Carlson

  • Reduction of CuZn-Superoxide Dismutase Activity Exacerbates Neuronal Cell Injury and Edema Formation after Transient Focal Cerebral Ischemia

    Takeo Kondo;Andrew G. Reaume;Ting Ting Huang;Elaine Carlson

  • NADPH oxidase is the primary source of superoxide induced by NMDA receptor activation

    Angela M Brennan;Sang Won Suh;Seok Joon Won;Purnima Narasimhan

  • Leukocyte-derived matrix metalloproteinase-9 mediates blood-brain barrier breakdown and is proinflammatory after transient focal cerebral ischemia.

    Jeffrey M. Gidday;Yvan G. Gasche;Yvan G. Gasche;Jean C. Copin;Jean C. Copin;Aarti R. Shah

  • Early appearance of activated matrix metalloproteinase-9 after focal cerebral ischemia in mice: a possible role in blood-brain barrier dysfunction.

    Yvan Gasche;Miki Fujimura;Yuiko Morita-Fujimura;Jean Christophe Copin

  • Brain injury, edema, and vascular permeability changes induced by oxygen‐derived free radicals

    Pak Hoo Chan;James W. Schmidley;Robert A. Fishman;Susan M. Longar

  • Oxidative stress and mitochondrial dysfunction as determinants of ischemic neuronal death and survival

    Kuniyasu Niizuma;Hidenori Endo;Pak H. Chan

  • Matrix metalloproteinase inhibition prevents oxidative stress-associated blood-brain barrier disruption after transient focal cerebral ischemia.

    Yvan Gasche;Jean Christophe Copin;Jean Christophe Copin;Taku Sugawara;Miki Fujimura

  • Overexpression of SOD1 in Transgenic Rats Protects Vulnerable Neurons Against Ischemic Damage After Global Cerebral Ischemia and Reperfusion

    Pak H. Chan;Makoto Kawase;Kensuke Murakami;Sylvia F. Chen

  • Hypoglycemic neuronal death is triggered by glucose reperfusion and activation of neuronal NADPH oxidase

    Sang Won Suh;Elizabeth T. Gum;Aaron M. Hamby;Pak H. Chan

  • Temporal profile of angiogenesis and expression of related genes in the brain after ischemia

    Takeshi Hayashi;Nobuo Noshita;Taku Sugawara;Pak H Chan

Frequent Co-Authors

Charles J. Epstein
Charles J. Epstein University of California, San Francisco
Jari Koistinaho
Jari Koistinaho University of Helsinki
Frank R. Sharp
Frank R. Sharp University of California, Davis
Guo-Yuan Yang
Guo-Yuan Yang Shanghai Jiao Tong University
Philip Weinstein
Philip Weinstein University of Adelaide
Thomas L. James
Thomas L. James University of California, San Francisco
Raymond A. Swanson
Raymond A. Swanson University of California, San Francisco
Stephen M. Sagar
Stephen M. Sagar University of California, San Francisco
Ting-Ting Huang
Ting-Ting Huang Stanford University
Koji Abe
Koji Abe Okayama University

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