World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
80
Citations
29535
World Ranking
16953
National Ranking
65

Hak Chul Jang 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 Hak Chul Jang 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: 414 publications — 41st percentile

41% of scientists in this discipline score the same or lower.

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

Hak Chul Jang 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 Hak Chul Jang 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: 80 D-Index — 16th percentile

16% of scientists in this discipline score the same or lower.

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

Overview

Hak Chul Jang is affiliated with Seoul National University in South Korea. Their research focuses extensively on the field of medicine, with a specialization in endocrinology, diabetes, and metabolism, as well as related areas such as physiology, obstetrics and gynecology, surgery, and molecular biology.

The scientist has a robust publication record with significant contributions to topics including:

  • Nutrition and Health in Aging
  • Diabetes Management and Research
  • Gestational Diabetes Research and Management
  • Diabetes Treatment and Management
  • Frailty in Older Adults
  • Pregnancy and preeclampsia studies
  • Bariatric Surgery and Outcomes

Frequent co-authors collaborating with Hak Chul Jang include:

  • Tae Jung Oh
  • Sung Hee Choi
  • Chang Won Won
  • Joon Ho Moon
  • Soo Heon Kwak

Key publication venues where this researcher has regularly contributed are:

  • Diabetes
  • Diabetes & Metabolism Journal
  • Endocrinology and Metabolism
  • Annals of Geriatric Medicine and Research
  • Journal of Diabetes Investigation

Notable recent papers by Hak Chul Jang include:

  • Asian Working Group for Sarcopenia: 2019 Consensus Update on Sarcopenia Diagnosis and Treatment, 2020, Journal of the American Medical Directors Association
  • Gestational Diabetes Mellitus: Diagnostic Approaches and Maternal-Offspring Complications, 2022, Diabetes & Metabolism Journal
  • Korean frailty and aging cohort study (KFACS): cohort profile, 2020, BMJ Open
  • COVID-19 and older people in Asia: Asian Working Group for Sarcopenia calls to action, 2020, Geriatrics and gerontology international/Geriatrics & gerontology international
  • Multi-ancestry genome-wide association study of gestational diabetes mellitus highlights genetic links with type 2 diabetes, 2022, Human Molecular Genetics

Best Publications

  • Asian Working Group for Sarcopenia: 2019 Consensus Update on Sarcopenia Diagnosis and Treatment

    Liang Kung Chen;Jean Woo;Prasert Assantachai;Tung Wai Auyeung

  • Albiglutide and cardiovascular outcomes in patients with type 2 diabetes and cardiovascular disease (Harmony Outcomes): a double-blind, randomised placebo-controlled trial

    Adrian F Hernandez;Jennifer B Green;Salim Janmohamed;Ralph B D'Agostino

  • Increasing Prevalence of Metabolic Syndrome in Korea: The Korean National Health and Nutrition Examination Survey for 1998–2007

    Soo A Lim;Hayley Shin;Jung Han Song;Soo Heon Kwak

  • Sarcopenic Obesity: Prevalence and Association with Metabolic Syndrome in the Korean Longitudinal Study on Health and Aging (KLoSHA)

    Soo Lim;Jung Hee Kim;Ji Won Yoon;Seon Mee Kang

  • Differences among skeletal muscle mass indices derived from height-, weight-, and body mass index-adjusted models in assessing sarcopenia.

    Kyoung Min Kim;Hak Chul Jang;Soo Lim

  • The beneficial effects of empagliflozin, an SGLT2 inhibitor, on atherosclerosis in ApoE−/− mice fed a western diet

    Ji Hye Han;Tae Jung Oh;Ghayoung Lee;Hyo Jin Maeng

  • Chronic Exposure to the Herbicide, Atrazine, Causes Mitochondrial Dysfunction and Insulin Resistance

    Soo Lim;Sun Young Ahn;In Chan Song;Myung Hee Chung

  • Ubiquitous healthcare service using Zigbee and mobile phone for elderly patients

    Hak Jong Lee;Sun Hee Lee;Kyoo Seob Ha;Hak Chul Jang

  • Type 2 diabetes-associated genetic variants discovered in the recent genome-wide association studies are related to gestational diabetes mellitus in the Korean population

    Y. M. Cho;T. H. Kim;S. Lim;S. Lim;S. H. Choi;S. H. Choi

  • A Genome-Wide Association Study of Gestational Diabetes Mellitus in Korean Women

    Soo Heon Kwak;Sung Hoon Kim;Young Min Cho;Min Jin Go

  • Bisphenol A Impairs Mitochondrial Function in the Liver at Doses below the No Observed Adverse Effect Level

    Min Kyong Moon;Min Joo Kim;Min Joo Kim;In Kyung Jung;In Kyung Jung;Young Do Koo

  • Elevated risk of papillary thyroid cancer in Korean patients with Hashimoto's thyroiditis

    Kyung Won Kim;Young Joo Park;Young Joo Park;Eun Hye Kim;So Yeon Park;So Yeon Park

  • Improved Glycemic Control Without Hypoglycemia in Elderly Diabetic Patients Using the Ubiquitous Healthcare Service, a New Medical Information System

    Sung Soo Lim;Seon Mee Kang;Hayley Shin;Hak Jong Lee

  • Android Fat Depot Is More Closely Associated with Metabolic Syndrome than Abdominal Visceral Fat in Elderly People

    Seon Mee Kang;Ji Won Yoon;Hwa Young Ahn;So Yeon Kim

  • Effects of Alpha-Lipoic Acid on Body Weight in Obese Subjects

    Eun Hee Koh;Woo Je Lee;Sang Ah Lee;Eun Hee Kim

  • Association of vitamin D deficiency with incidence of type 2 diabetes in high-risk Asian subjects

    Soo Lim;Min Joo Kim;Sung Hee Choi;Chan Soo Shin

  • Insulin-sensitizing effects of exercise on adiponectin and retinol-binding protein-4 concentrations in young and middle-aged women

    Soo Lim;Sung Hee Choi;In-Kyong Jeong;Jae Hyeon Kim

  • 10-year trajectory of β-cell function and insulin sensitivity in the development of type 2 diabetes: a community-based prospective cohort study

    Jung Hun Ohn;Jung Hun Ohn;Soo Heon Kwak;Young Min Cho;Soo Lim;Soo Lim

  • Sarcopenia: An Independent Predictor of Mortality in Community-Dwelling Older Korean Men

    Jung Hee Kim;Soo Lim;Sung Hee Choi;Kyoung Min Kim

  • Multifactorial intervention in diabetes care using real-time monitoring and tailored feedback in type 2 diabetes

    S. Lim;S. M. Kang;K. M. Kim;J. H. Moon

Frequent Co-Authors

Kyong Soo Park
Kyong Soo Park Seoul National University Hospital
Ki Woong Kim
Ki Woong Kim Seoul National University Bundang Hospital
Yoon-Seok Chang
Yoon-Seok Chang Seoul National University
Boyd E. Metzger
Boyd E. Metzger Northwestern University
Hyun Min Kang
Hyun Min Kang University of Michigan–Ann Arbor
Hyoung Doo Shin
Hyoung Doo Shin Sogang University

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Related Online Degrees & Career Pathways

Studying medicine in the USA opens doors to a range of related online degrees and career paths. Many students consider complementary fields like healthcare administration, pharmacy, or nursing to expand their professional scope and job opportunities.

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