World's Best Scientists 2026 revealed!

D-Index & Metrics

Medicine

D-Index
84
Citations
24206
World Ranking
15175
National Ranking
7658

W. Allan Walker 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 W. Allan Walker 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: 610 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: 344 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.

W. Allan Walker 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 W. Allan Walker 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: 399 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: 84 D-Index — 27th percentile

27% of scientists in this discipline score the same or lower.

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

Overview

W. Allan Walker is affiliated with Harvard University in the United States and works primarily in the fields of Nursing and Biochemistry, Genetics and Molecular Biology. Their research concentrates on Nutrition and Dietetics, Genetics, Food Science, Epidemiology, and Clinical Biochemistry, with a particular focus on topics related to Infant Nutrition and Health, Digestive system and related health, Clinical Nutrition and Gastroenterology, Probiotics and Fermented Foods, Child Nutrition and Water Access, Breastfeeding Practices and Influences, and Metabolism and Genetic Disorders.

The scientist's recent publications include:

  • Indole-3-lactic acid, a metabolite of tryptophan, secreted by Bifidobacterium longum subspecies infantis is anti-inflammatory in the immature intestine, 2020, Pediatric Research
  • Short-chain fatty acid butyrate, a breast milk metabolite, enhances immature intestinal barrier function genes in response to inflammation in vitro and in vivo, 2020, American Journal of Physiology-Gastrointestinal and Liver Physiology
  • Short chain fatty acids produced by colonizing intestinal commensal bacterial interaction with expressed breast milk are anti-inflammatory in human immature enterocytes, 2020, PLoS ONE
  • 50 Years Ago in T J P, 2021, The Journal of Pediatrics

Frequent coauthors in their research include:

  • Di Meng
  • Weishu Zhu
  • Yanan Gao
  • Nan Zheng
  • Eduardo Sommella

Walker has published in several venues, notably:

  • Pediatric Research
  • American Journal of Physiology-Gastrointestinal and Liver Physiology
  • PLoS ONE
  • The Journal of Pediatrics

Best Publications

  • Probiotics and the gut microbiota in intestinal health and disease

    Mélanie G. Gareau;Philip M. Sherman;W. Allan Walker

  • Protection of the Neonate by the Innate Immune System of Developing Gut and of Human Milk

    David S Newburg;W Allan Walker

  • Hypothesis: inappropriate colonization of the premature intestine can cause neonatal necrotizing enterocolitis

    Erika C. Claud;W. Allan Walker

  • Uptake and transport of macromolecules by the intestine: Possible role in clinical disorders (an update)

    Ian R. Sanderson;W.Allan Walker

  • The role of nucleotides in human nutrition

    Jane D. Carver;Jane D. Carver;W. Allan Walker;W. Allan Walker

  • Pathologic and physiologic interactions of bacteria with the gastrointestinal epithelium

    Lei Lu;W Allan Walker

  • Nutritional impact of pre- and probiotics as protective gastrointestinal organisms.

    Jonathan E Teitelbaum;W Allan Walker

  • Uptake and Transport of Macromolecules by the Intestine

    W. Allan Walker;Kurt J. Isselbacher

  • The role of gut-associated lymphoid tissues and mucosal defence

    Maria Luisa Forchielli;W. Allan Walker

  • The Mechanism of Excessive Intestinal Inflammation in Necrotizing Enterocolitis: An Immature Innate Immune Response

    Nanda Nanthakumar;Di Meng;Allan M. Goldstein;Weishu Zhu

  • Protective nutrients and functional foods for the gastrointestinal tract.

    Christopher Duggan;Jennifer Gannon;W Allan Walker

  • Why is initial bacterial colonization of the intestine important to infants' and children's health?

    Pearl D. Houghteling;W. Allan Walker

  • Breast milk, microbiota, and intestinal immune homeostasis

    W Allan Walker;Rajashri Shuba Iyengar

  • Intestinal Uptake of Macromolecules: Effect of Oral Immunization

    W. Allan Walker;Kurt J. Isselbacher;Kurt J. Bloch

  • Recommendations for Probiotic Use—2011 Update

    Martin H. Floch;W. Allan Walker;Karen Madsen;Mary Ellen Sanders

  • Protein uptake by the intestine: evidence for absorption of intact macromolecules.

    Andrew L. Warshaw;W. Allan Walker;Kurt J. Isselbacher

  • Developmentally regulated IκB expression in intestinal epithelium and susceptibility to flagellin-induced inflammation

    Erika C. Claud;Lei Lu;Pauline M. Anton;Tor Savidge

  • Evidence for an Innate Immune Response in the Immature Human Intestine: Toll-Like Receptors on Fetal Enterocytes

    Robert D Fusunyan;Nanda N Nanthakumar;Manuel E Baldeon;W Allan Walker

  • Indole-3-lactic acid, a metabolite of tryptophan, secreted by Bifidobacterium longum subspecies infantis is anti-inflammatory in the immature intestine.

    Di Meng;Eduardo Sommella;Emanuela Salviati;Pietro Campiglia

  • New therapies and preventive approaches for necrotizing enterocolitis: report of a research planning workshop.

    Gilman D Grave;Stefanie A Nelson;W Allan Walker;R Lawrence Moss

Frequent Co-Authors

Kurt J. Bloch
Kurt J. Bloch Harvard University
David S. Newburg
David S. Newburg University of Cincinnati
Kurt J. Isselbacher
Kurt J. Isselbacher Harvard University
Buford L. Nichols
Buford L. Nichols Baylor College of Medicine
Tor C. Savidge
Tor C. Savidge Baylor College of Medicine
Beth A. McCormick
Beth A. McCormick University of Massachusetts Chan Medical School
Eamonn Martin Quigley
Eamonn Martin Quigley Cornell University
Philip M. Sherman
Philip M. Sherman University of Toronto
Christopher Duggan
Christopher Duggan Boston Children's Hospital
Tzou Yien Lin
Tzou Yien Lin Chang Gung Memorial Hospital

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