World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
97
Citations
44593
World Ranking
9133
National Ranking
890

Ian A. Greer 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 Ian A. Greer 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: 437 publications — 46th percentile

46% of scientists in this discipline score the same or lower.

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

Ian A. Greer 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 Ian A. Greer 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: 97 D-Index — 55th percentile

55% of scientists in this discipline score the same or lower.

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

Overview

Ian A. Greer is affiliated with Queen's University Belfast in the United Kingdom. Their research spans multiple disciplines, primarily within the social sciences and biochemistry, genetics, and molecular biology. The focus areas include Islamic studies and history, education and Islamic studies, medieval and classical philosophy, Islamic finance and banking studies, marriage and sexual relationships, genetic associations and epidemiology, and Kruppel-like factors research.

The scientist's work has been published across a variety of venues, illustrating the interdisciplinary nature of their research. These publication venues include:

  • ISLAMIC STUDIES
  • Studies in Religion/Sciences Religieuses
  • European Journal of Obstetrics & Gynecology and Reproductive Biology

Among the recent papers authored or co-authored by Ian A. Greer are:

  • "Shāh Walī Allāh in Defence of Ibn Taymiyyah," 2022, published in ISLAMIC STUDIES
  • Angrezi shariat: Islamic law in 20th- and 21st- century Britain and its colonial antecedents, 2023, published in Studies in Religion/Sciences Religieuses
  • Use of anticoagulants to improve pregnancy outcomes in couples positive for M2 haplotype: A systematic review, 2024, published in European Journal of Obstetrics & Gynecology and Reproductive Biology

Frequent co-authors collaborating with Ian A. Greer include:

  • Muzzammil Ahmad
  • Hajra Khattak
  • Syed Husain
  • Deborah J. Baker

Their primary fields of study feature social sciences with four publications and biochemistry, genetics, and molecular biology with three publications. Subfields of research cover political science and international relations, genetics, education, philosophy, and accounting.

The main topics addressed in their research also highlight a blend of humanities and sciences, with a notable emphasis on Islamic studies and history as well as genetic associations and epidemiology.

Best Publications

  • International consensus report on the investigation and management of primary immune thrombocytopenia.

    Drew Provan;Roberto Stasi;Adrian C. Newland;Victor S. Blanchette

  • Venous thromboembolism (VTE) in Europe - The number of VTE events and associated morbidity and mortality

    Alexander T. Cohen;Giancarlo Agnelli;Frederick A. Anderson;Juan I. Arcelus

  • VTE, Thrombophilia, Antithrombotic Therapy, and Pregnancy: Antithrombotic Therapy and Prevention of Thrombosis, 9th ed: American College of Chest Physicians Evidence-Based Clinical Practice Guidelines

    Shannon M. Bates;Ian A. Greer;Saskia Middeldorp;David L. Veenstra

  • Thrombophilia in pregnancy: a systematic review

    L. Robertson;O. Wu;P. Langhorne;S. Twaddle

  • Venous thromboembolism, thrombophilia, antithrombotic therapy, and pregnancy: American College of Chest Physicians Evidence-Based Clinical Practice Guidelines (8th Edition).

    Shannon M. Bates;Ian A. Greer;Ingrid Pabinger;Shoshanna Sofaer

  • Low-molecular-weight heparins for thromboprophylaxis and treatment of venous thromboembolism in pregnancy: a systematic review of safety and efficacy.

    Ian A. Greer;Catherine Nelson-Piercy

  • Pregnancy complications and maternal cardiovascular risk: opportunities for intervention and screening?

    Naveed Sattar;Ian A Greer

  • Guidelines for the investigation and management of idiopathic thrombocytopenic purpura in adults, children and in pregnancy

    D Provan;A Newland;D Norfolk;P Bolton-Maggs

  • CLASP - A RANDOMIZED TRIAL OF LOW-DOSE ASPIRIN FOR THE PREVENTION AND TREATMENT OF PREECLAMPSIA AMONG 9364 PREGNANT-WOMEN

    G Beroyz;R Casale;A Farreiros;M Palermo

  • Thrombosis in pregnancy: maternal and fetal issues

    Ian A Greer

  • Leukocyte density and pro-inflammatory cytokine expression in human fetal membranes, decidua, cervix and myometrium before and during labour at term.

    Inass Osman;Anne Young;Marie Anne Ledingham;Andrew J Thomson

  • Maternal Obesity Is Associated with Dysregulation of Metabolic, Vascular, and Inflammatory Pathways

    Jane E. Ramsay;William R. Ferrell;Lynne Crawford;A. Michael Wallace

  • Use of Antithrombotic Agents During Pregnancy: The Seventh ACCP Conference on Antithrombotic and Thrombolytic Therapy

    Shannon M. Bates;Ian A. Greer;Jack Hirsh;Jeffrey S. Ginsberg

  • Screening for thrombophilia in high-risk situations: systematic review and cost-effectiveness analysis. The Thrombosis: Risk and Economic Assessment of Thrombophilia Screening (TREATS) study

    O. Wu;L. Robertson;S. Twaddle;G. D. Lowe

  • Use of Antithrombotic Agents During Pregnancy

    Jeffrey S. Ginsberg;Jack Hirsh

  • Guidelines on the investigation and management of antiphospholipid syndrome

    M Greaves;H Cohen;S J MacHin;I Mackie

  • Leukocytes infiltrate the myometrium during human parturition: further evidence that labour is an inflammatory process

    Andrew J. Thomson;Joan F. Telfer;Anne Young;Steve Campbell

  • Risk factors for pregnancy associated venous thromboembolism

    Mark D McColl;Jane E Ramsay;R C Tait;Isobel D Walker

  • Activated Protein C Sensitivity, Protein C, Protein S and Coagulation in Normal Pregnancy

    P. Clark;J. Brennand;J. A. Conkie;F. McCall

  • Ovarian Function and Metabolic Factors in Women with Oligomenorrhea Treated with Metformin in a Randomized Double Blind Placebo-Controlled Trial

    Richard Fleming;Zoe E. Hopkinson;A. Michael Wallace;Ian A. Greer

Frequent Co-Authors

Naveed Sattar
Naveed Sattar University of Glasgow
Gordon D.O. Lowe
Gordon D.O. Lowe University of Glasgow
Alexander G.G. Turpie
Alexander G.G. Turpie McMaster University
Gary E. Raskob
Gary E. Raskob University of Oklahoma Health Sciences Center
Paolo Prandoni
Paolo Prandoni University of Padua
David Bergqvist
David Bergqvist Uppsala University
Marc A. Rodger
Marc A. Rodger Ottawa Hospital
Jawed Fareed
Jawed Fareed Loyola University Chicago
Samuel Z. Goldhaber
Samuel Z. Goldhaber Brigham and Women's Hospital
Chris J. Packard
Chris J. Packard Glasgow Royal Infirmary

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