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Biology and Biochemistry
China
2026
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Medicine
China
2026

D-Index & Metrics

Biology and Biochemistry

D-Index
143
Citations
145895
World Ranking
233
National Ranking
3

Medicine

D-Index
154
Citations
157716
World Ranking
980
National Ranking
6

Pak C. Sham publication distribution in Biology and Biochemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where Pak C. Sham sits on this spectrum.

47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 414 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 849 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 950 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 841 scientists 207–216 publications: 735 scientists 217–226 publications: 709 scientists 227–236 publications: 651 scientists 237–246 publications: 605 scientists 247–256 publications: 510 scientists 257–266 publications: 524 scientists 267–276 publications: 434 scientists 277–286 publications: 418 scientists 287–296 publications: 350 scientists 297–306 publications: 363 scientists 307–316 publications: 315 scientists 317–326 publications: 296 scientists 327–336 publications: 261 scientists 337–346 publications: 240 scientists 347–356 publications: 219 scientists 357–366 publications: 197 scientists 367–376 publications: 154 scientists 377–386 publications: 161 scientists 387–396 publications: 155 scientists 397–406 publications: 145 scientists 407–416 publications: 124 scientists 417–426 publications: 112 scientists 427–436 publications: 132 scientists 437–446 publications: 116 scientists 447–456 publications: 99 scientists 457–466 publications: 81 scientists 467–476 publications: 91 scientists 477–486 publications: 80 scientists 487–496 publications: 80 scientists 497–506 publications: 60 scientists 507–516 publications: 36 scientists 517–526 publications: 46 scientists 527–536 publications: 54 scientists 537–546 publications: 44 scientists 547–556 publications: 43 scientists 557–566 publications: 43 scientists 567–576 publications: 42 scientists 577–586 publications: 25 scientists 587–596 publications: 34 scientists 597–606 publications: 23 scientists 607–616 publications: 33 scientists 617–626 publications: 31 scientists 627–636 publications: 27 scientists 637–646 publications: 25 scientists 647–656 publications: 28 scientists 657–666 publications: 34 scientists 667–676 publications: 18 scientists 677–686 publications: 16 scientists 687–696 publications: 10 scientists 697–706 publications: 12 scientists 707–716 publications: 21 scientists 717–726 publications: 12 scientists 727–736 publications: 12 scientists 737–746 publications: 10 scientists 747–756 publications: 7 scientists 757–766 publications: 13 scientists 767–776 publications: 15 scientists 777–786 publications: 13 scientists 787–796 publications: 9 scientists 797–806 publications: 9 scientists 807–816 publications: 7 scientists 817–826 publications: 4 scientists 827–836 publications: 9 scientists 837–846 publications: 7 scientists 847–856 publications: 3 scientists 857–866 publications: 5 scientists 867–876 publications: 5 scientists 877–886 publications: 11 scientists 887–896 publications: 3 scientists 897–906 publications: 4 scientists 907–916 publications: 7 scientists 917–926 publications: 5 scientists 927–936 publications: 6 scientists 937–946 publications: 6 scientists 947–956 publications: 3 scientists 957–966 publications: 7 scientists 967–976 publications: 2 scientists 977–986 publications: 2 scientists 987–996 publications: 1 scientists 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientists 1,028+ publications: 100 scientists
47 publications 1,028+

This scientist: 938 publications — 99th percentile

99% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,028 publications or more.

Pak C. Sham D-index placement in Biology and Biochemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Pak C. Sham sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 317 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 900 scientists 52–53 D-Index: 1,026 scientists 54–55 D-Index: 1,150 scientists 56–57 D-Index: 1,236 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,163 scientists 62–63 D-Index: 1,131 scientists 64–65 D-Index: 1,032 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 715 scientists 72–73 D-Index: 709 scientists 74–75 D-Index: 596 scientists 76–77 D-Index: 512 scientists 78–79 D-Index: 473 scientists 80–81 D-Index: 412 scientists 82–83 D-Index: 373 scientists 84–85 D-Index: 358 scientists 86–87 D-Index: 285 scientists 88–89 D-Index: 273 scientists 90–91 D-Index: 227 scientists 92–93 D-Index: 208 scientists 94–95 D-Index: 193 scientists 96–97 D-Index: 153 scientists 98–99 D-Index: 157 scientists 100–101 D-Index: 148 scientists 102–103 D-Index: 120 scientists 104–105 D-Index: 113 scientists 106–107 D-Index: 100 scientists 108–109 D-Index: 86 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 72 scientists 114–115 D-Index: 73 scientists 116–117 D-Index: 64 scientists 118–119 D-Index: 53 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 54 scientists 124–125 D-Index: 43 scientists 126–127 D-Index: 38 scientists 128–129 D-Index: 49 scientists 130–131 D-Index: 26 scientists 132–133 D-Index: 18 scientists 134–135 D-Index: 23 scientists 136–137 D-Index: 32 scientists 138–139 D-Index: 32 scientists 140–141 D-Index: 27 scientists 142–143 D-Index: 19 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 12 scientists 148–149 D-Index: 16 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 10 scientists 154–155 D-Index: 13 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 9 scientists 162–163 D-Index: 13 scientists 164–165 D-Index: 4 scientists 166 D-Index: 4 scientists 167+ D-Index: 98 scientists
40 D-Index 167+

This scientist: 143 D-Index — 99th percentile

99% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 167 D-Index or more.

Research.com Recognitions

  • 2026 - Research.com Biology and Biochemistry in China Leader Award
  • 2026 - Research.com Medicine in China Leader Award
  • 2025 - Research.com Biology and Biochemistry in China Leader Award
  • 2025 - Research.com Medicine in China Leader Award
  • 2023 - Research.com Biology and Biochemistry in China Leader Award
  • 2023 - Research.com Medicine in China Leader Award
  • 2022 - Research.com Biology and Biochemistry in China Leader Award
  • 2022 - Research.com Medicine in China Leader Award

Overview

Pak C. Sham is affiliated with the University of Hong Kong in China, with a primary focus on Biochemistry, Genetics and Molecular Biology, and Medicine. Their work spans several subfields including Genetics, Molecular Biology, Psychiatry and Mental Health, Surgery, and Cognitive Neuroscience.

The scientist's research covers a range of topics such as Genetic Associations and Epidemiology, Schizophrenia Research and Treatment, Epigenetics and DNA Methylation, Bipolar Disorder and Treatment, Functional Brain Connectivity Studies, Bioinformatics and Genomic Networks, and Genetics and Neurodevelopmental Disorders.

Recent publications by Pak C. Sham include:

  • Deciphering osteoarthritis genetics across 826,690 individuals from 9 populations, 2021, Cell
  • Single-cell RNA sequencing shows the immunosuppressive landscape and tumor heterogeneity of HBV-associated hepatocellular carcinoma, 2021, Nature Communications
  • Identification of 38 novel loci for systemic lupus erythematosus and genetic heterogeneity between ancestral groups, 2021, Nature Communications
  • Deciphering osteoarthritis genetics across 826,690 individuals from 9 populations, 2021, Cell
  • A polygenic risk score improves risk stratification of coronary artery disease: a large-scale prospective Chinese cohort study, 2022, European Heart Journal

Pak C. Sham has collaborated frequently with co-authors including:

  • Justin D. Tubbs
  • Robin Murray
  • Marta Di Forti
  • Craig Morgan
  • Caterina La Cascia

The scientist's work is often published in notable venues such as:

  • bioRxiv (Cold Spring Harbor Laboratory)
  • Psychological Medicine
  • Schizophrenia Bulletin
  • Nature Communications
  • Molecular Psychiatry

In addition to journal articles, Pak C. Sham has contributed to book publications, including a title published with Garland Science eBooks:

  • Analysis of Multifactorial Diseases, 2024

Best Publications

  • PLINK: A Tool Set for Whole-Genome Association and Population-Based Linkage Analyses

    Shaun Purcell;Shaun Purcell;Benjamin Neale;Benjamin Neale;Kathe Todd-Brown;Lori Thomas

  • Biological insights from 108 schizophrenia-associated genetic loci

    Stephan Ripke;Stephan Ripke;Benjamin M. Neale;Benjamin M. Neale;Aiden Corvin;James T. R. Walters

  • A haplotype map of the human genome

    John W. Belmont;Andrew Boudreau;Suzanne M. Leal;Paul Hardenbol

  • A second generation human haplotype map of over 3.1 million SNPs

    Kelly A. Frazer;Dennis G. Ballinger;David R. Cox;David A. Hinds

  • Genome-wide detection and characterization of positive selection in human populations

    Pardis C. Sabeti;Pardis C. Sabeti;Patrick Varilly;Patrick Varilly;Ben Fry;Jason Lohmueller

  • Genetic Power Calculator: design of linkage and association genetic mapping studies of complex traits

    Shaun Purcell;Stacey S. Cherny;Pak Chung Sham

  • The Heritability of Bipolar Affective Disorder and the Genetic Relationship to Unipolar Depression

    Peter McGuffin;Fruhling Rijsdijk;Martin Andrew;Pak Sham

  • Modeling Linkage Disequilibrium Increases Accuracy of Polygenic Risk Scores

    Bjarni J. Vilhjálmsson;Jian Yang;Hilary K. Finucane;Alexander Gusev

  • The support of human genetic evidence for approved drug indications

    Matthew R Nelson;Hannah Tipney;Jeffery L Painter;Judong Shen

  • Genomic Relationships, Novel Loci, and Pleiotropic Mechanisms across Eight Psychiatric Disorders

    Phil H. Lee;Verneri Anttila;Hyejung Won;Yen-Chen A. Feng

  • Genome-wide meta-analysis identifies 56 bone mineral density loci and reveals 14 loci associated with risk of fracture

    Karol Estrada;Unnur Styrkarsdottir;Evangelos Evangelou;Yi-Hsiang Hsu

  • Stress and psychological distress among SARS survivors 1 year after the outbreak.

    Antoinette M Lee;Josephine G W S Wong;Grainne M McAlonan;Vinci Cheung

  • Heritability Estimates for Psychotic Disorders: The Maudsley Twin Psychosis Series

    Alastair G. Cardno;E. Jane Marshall;Bina Coid;Alison M. Macdonald

  • Genetic and physiological data implicating the new human gene G72 and the gene for D-amino acid oxidase in schizophrenia.

    Ilya Chumakov;Marta Blumenfeld;Oxana Guerassimenko;Laurent Cavarec

  • Monte Carlo tests for associations between disease and alleles at highly polymorphic loci

    P. C. Sham;D. Curtis

  • Rates of adult schizophrenia following prenatal exposure to the Chinese famine of 1959-1961

    David St Clair;Mingqing Xu;Peng Wang;Yaqin Yu

  • Prevalence and pattern of lumbar magnetic resonance imaging changes in a population study of one thousand forty-three individuals.

    Kenneth M. C. Cheung;Jaro Karppinen;Danny Chan;Daniel W. H. Ho

  • Gene-environment interaction analysis of serotonin system markers with adolescent depression.

    Thalia Eley;K Sugden;A Corsico;Alice Gregory

  • Statistical methods of estimation and inference for functional MR image analysis

    Edward Bullmore;Michael Brammer;Steve C. R. Williams;Sophia Rabe-Hesketh

  • A novel functional polymorphism within the promoter of the serotonin transporter gene: possible role in susceptibility to affective disorders

    D. A. Collier;G. Stober;T. Li;A. Heils

Frequent Co-Authors

Robin M. Murray
Robin M. Murray King's College London
Stacey S. Cherny
Stacey S. Cherny Tel Aviv University
David A. Collier
David A. Collier Eli Lilly (United States)
Shaun Purcell
Shaun Purcell Harvard Medical School
You-Qiang Song
You-Qiang Song University of Hong Kong
Jim van Os
Jim van Os University Medical Center Utrecht
Paul K.H. Tam
Paul K.H. Tam Macau University of Science and Technology
Peter McGuffin
Peter McGuffin King's College London
Colm McDonald
Colm McDonald University of Galway
Hon-Cheong So
Hon-Cheong So Chinese University of Hong Kong

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