World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
81
Citations
20351
World Ranking
16793
National Ranking
8424

David T. Armstrong 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 David T. Armstrong 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: 345 publications — 26th percentile

26% of scientists in this discipline score the same or lower.

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

David T. Armstrong 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 David T. Armstrong 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: 81 D-Index — 19th percentile

19% 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

  • 1986 - Fellow of the Royal Society of Canada Academy of Science

Overview

David T. Armstrong is affiliated with the National Institute of Environmental Health Sciences in the United States. Their work is situated within this prominent research institution, where studies related to environmental health are conducted.

Armstrong has been recognized as a Fellow of the Royal Society of Canada since 1986, under the Academy of Science citation. This distinction marks a notable acknowledgment within the scientific community.

There are no specific records available regarding their recent papers, co-authors, publication venues, book publications, main fields of study, subfields of study, or main topics of work.

Best Publications

  • Oocyte–somatic cell interactions during follicle development in mammals

    R.B Gilchrist;L.J Ritter;D.T Armstrong

  • Estradiol-17beta biosynthesis in cultured granulosa cells from hypophysectomized immature rats; stimulation by follicle-stimulating hormone.

    Jennifer H. Dorrington;Young S. Moon;David T. Armstrong

  • Blockade of spontaneous and LH-induced ovulation in rats by indomethacin, an inhibitor of prostaglandin biosynthesis

    David T. Armstrong;Daniel L. Grinwich

  • Adipokines: implications for female fertility and obesity.

    M Mitchell;D T Armstrong;R L Robker;R J Norman

  • Follicle-stimulating hormone stimulates estradiol-17beta synthesis in cultured Sertoli cells.

    Jennifer H. Dorrington;David T. Armstrong

  • Simulated physiological oocyte maturation (SPOM): a novel in vitro maturation system that substantially improves embryo yield and pregnancy outcomes

    F.K. Albuz;M. Sasseville;M. Lane;D.T. Armstrong

  • Role of cumulus cells and serum on the in vitro maturation, fertilization, and subsequent development of rat oocytes.

    B C Vanderhyden;D T Armstrong

  • Seminal plasma regulates endometrial cytokine expression, leukocyte recruitment and embryo development in the pig

    Sean O'Leary;M. J. Jasper;G. M. Warnes;D. T. Armstrong

  • Effects of maternal age on oocyte developmental competence.

    D.T. Armstrong

  • Oocyte-Secreted Factor(s) Determine Functional Differences Between Bovine Mural Granulosa Cells and Cumulus Cells

    Rong Li;Robert J. Norman;David T. Armstrong;Robert B. Gilchrist

  • The in vivo and in vitro effects of exogenous leptin on ovulation in the rat.

    Priya S. Duggal;Kylie H. Van der Hoek;Clyde R. Milner;Natalie K. Ryan

  • Androgen production by theca and granulosa isolated from proestrous rat follicles.

    J. E. Fortune;D. T. Armstrong

  • Effects of FSH on gonadal functions.

    Jennifer H. Dorrington;D.T. Armstrong

  • Control of testicular estrogen synthesis.

    J. H. Dorrington;I. B. Fritz;D. T. Armstrong

  • Androgens augment FSH-induced progesterone secretion by cultured rat granulosa cells.

    David T. Armstrong;Jennifer H. Dorrington

  • Recent advances in superovulation of cattle

    D.T. Armstrong;D.T. Armstrong

  • Bovine Cumulus Cell-Oocyte Gap Junctional Communication During In Vitro Maturation in Response to Manipulation of Cell-Specific Cyclic Adenosine 3′,5′-Monophosophate Levels

    Rebecca E. Thomas;David T. Armstrong;Robert B. Gilchrist

  • Oxygen-Regulated Gene Expression in Bovine Blastocysts

    A.J. Harvey;K.L. Kind;M. Pantaleon;D.T. Armstrong

  • PREGNANCIES AND LIVE BIRTH FROM IN VITRO FERTILIZATION OF CALF OOCYTES COLLECTED BY LAPAROSCOPIC FOLLICULAR ASPIRATION

    D.T. Armstrong;P. Holm;B. Irvine;B.A. Petersen

  • Oocyte-Secreted Factor Activation of SMAD 2/3 Signaling Enables Initiation of Mouse Cumulus Cell Expansion

    Rebecca A. Dragovic;Lesley J. Ritter;Samantha J. Schulz;Fred Amato

Frequent Co-Authors

Peter C.K. Leung
Peter C.K. Leung University of British Columbia
Sarah A. Robertson
Sarah A. Robertson University of Adelaide
Sean T. O’Leary
Sean T. O’Leary University of Colorado Anschutz Medical Campus
Robert J. Norman
Robert J. Norman University of Adelaide
Benjamin K. Tsang
Benjamin K. Tsang Ottawa Hospital Research Institute
Jeremy G. Thompson
Jeremy G. Thompson University of Adelaide
Fulvio Gandolfi
Fulvio Gandolfi University of Milan
Franco R. Calaresu
Franco R. Calaresu University of Western Ontario
Michelle Lane
Michelle Lane University of Adelaide
Irving B. Fritz
Irving B. Fritz University of Toronto

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