World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Medicine 84 15175 14275 7658 7083 344 24206

W. Allan Walker publications per year

The chart shows the history of publications by W. Allan Walker between 1964 and 2021, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. W. Allan Walker published across 58 years, from 1964 to 2021, averaging 7 papers a year. Output peaked at 16 publications in 2003. 9 of the 404 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1964 to 2021. Vertical axis: number of publications, 0 to 16. Peak 16 publications in 2003. 1964: 1 publication 1965: 0 publications 1966: 1 publication 1967: 1 publication 1968: 0 publications 1969: 0 publications 1970: 1 publication 1971: 1 publication 1972: 1 publication 1973: 4 publications 1974: 7 publications 1975: 5 publications 1976: 2 publications 1977: 10 publications 1978: 4 publications 1979: 9 publications 1980: 8 publications 1981: 11 publications 1982: 5 publications 1983: 7 publications 1984: 10 publications 1985: 5 publications 1986: 9 publications 1987: 14 publications 1988: 9 publications 1989: 4 publications 1990: 3 publications 1991: 8 publications 1992: 4 publications 1993: 6 publications 1994: 7 publications 1995: 3 publications 1996: 6 publications 1997: 4 publications 1998: 4 publications 1999: 11 publications 2000: 9 publications 2001: 9 publications 2002: 8 publications 2003: 16 publications 2004: 13 publications 2005: 14 publications 2006: 10 publications 2007: 15 publications 2008: 16 publications 2009: 16 publications 2010: 9 publications 2011: 13 publications 2012: 12 publications 2013: 13 publications 2014: 2 publications 2015: 14 publications 2016: 10 publications 2017: 7 publications 2018: 2 publications 2019: 2 publications 2020: 6 publications 2021: 3 publications
1964 2021

404 publications in total across all disciplines

View publications per year as a table
W. Allan Walker: publications per year, 1964 to 2021
Year Publications
1964 1
1965 0
1966 1
1967 1
1968 0
1969 0
1970 1
1971 1
1972 1
1973 4
1974 7
1975 5
1976 2
1977 10
1978 4
1979 9
1980 8
1981 11
1982 5
1983 7
1984 10
1985 5
1986 9
1987 14
1988 9
1989 4
1990 3
1991 8
1992 4
1993 6
1994 7
1995 3
1996 6
1997 4
1998 4
1999 11
2000 9
2001 9
2002 8
2003 16
2004 13
2005 14
2006 10
2007 15
2008 16
2009 16
2010 9
2011 13
2012 12
2013 13
2014 2
2015 14
2016 10
2017 7
2018 2
2019 2
2020 6
2021 3
Total 404
Download as CSV

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.

No. of scientists
200 400 600 800
Bar chart with 86 bars. Horizontal axis: publications, 101–120 to 1,796+. Vertical axis: number of scientists, 0 to 922. Most scientists, 922, have 341–360 publications. The last bar groups every scientist with 1,796 publications or more. The highlighted bar, 341–360 publications, is where this scientist sits. 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
101–120 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.

View publications distribution as a table
Number of Medicine scientists by publication count, Research.com 2026 ranking edition. Based on 20,134 ranked scientists.
Publications Scientists This scientist
101–120 5
121–140 26
141–160 73
161–180 155
181–200 230
201–220 363
221–240 487
241–260 545
261–280 722
281–300 768
301–320 834
321–340 895
341–360 922 344
361–380 838
381–400 861
401–420 918
421–440 806
441–460 771
461–480 751
481–500 713
501–520 617
521–540 610
541–560 537
561–580 504
581–600 509
601–620 396
621–640 386
641–660 371
661–680 340
681–700 336
701–720 307
721–740 259
741–760 230
761–780 228
781–800 217
801–820 204
821–840 186
841–860 177
861–880 155
881–900 139
901–920 145
921–940 116
941–960 133
961–980 91
981–1,000 96
1,001–1,020 77
1,021–1,040 70
1,041–1,060 63
1,061–1,080 77
1,081–1,100 49
1,101–1,120 54
1,121–1,140 49
1,141–1,160 51
1,161–1,180 35
1,181–1,200 39
1,201–1,220 26
1,221–1,240 37
1,241–1,260 36
1,261–1,280 27
1,281–1,300 32
1,301–1,320 28
1,321–1,340 17
1,341–1,360 30
1,361–1,380 28
1,381–1,400 17
1,401–1,420 21
1,421–1,440 15
1,441–1,460 12
1,461–1,480 12
1,481–1,500 18
1,501–1,520 14
1,521–1,540 17
1,541–1,560 15
1,561–1,580 6
1,581–1,600 2
1,601–1,620 12
1,621–1,640 11
1,641–1,660 8
1,661–1,680 5
1,681–1,700 5
1,701–1,720 10
1,721–1,740 12
1,741–1,760 14
1,761–1,780 6
1,781–1,795 5
1,796+ 100
Download as CSV

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.

No. of scientists
250 500 750 1,000
Bar chart with 75 bars. Horizontal axis: D-Index, 70–71 to 217+. Vertical axis: number of scientists, 0 to 1,027. Most scientists, 1,027, have 82–83 D-Index. The last bar groups every scientist with 217 D-Index or more. The highlighted bar, 84–85 D-Index, is where this scientist sits. 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
70–71 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.

View D-Index distribution as a table
Number of Medicine scientists by D-index, Research.com 2026 ranking edition. Based on 20,134 ranked scientists.
D-Index Scientists This scientist
70–71 226
72–73 391
74–75 574
76–77 730
78–79 891
80–81 972
82–83 1,027
84–85 1,003 84
86–87 960
88–89 970
90–91 922
92–93 839
94–95 808
96–97 779
98–99 668
100–101 611
102–103 630
104–105 513
106–107 541
108–109 445
110–111 429
112–113 399
114–115 393
116–117 318
118–119 302
120–121 287
122–123 255
124–125 256
126–127 252
128–129 230
130–131 179
132–133 168
134–135 163
136–137 159
138–139 134
140–141 134
142–143 118
144–145 109
146–147 106
148–149 74
150–151 79
152–153 80
154–155 87
156–157 57
158–159 74
160–161 69
162–163 60
164–165 53
166–167 39
168–169 42
170–171 32
172–173 39
174–175 40
176–177 28
178–179 19
180–181 23
182–183 31
184–185 18
186–187 20
188–189 22
190–191 13
192–193 21
194–195 12
196–197 12
198–199 14
200–201 15
202–203 13
204–205 10
206–207 8
208–209 4
210–211 12
212–213 11
214–215 10
216 4
217+ 98
Download as CSV

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

  • 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

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Exploring alternative and related pathways to a medical career in the USA can open doors to rewarding roles in healthcare. For those interested in advanced patient care but without a nursing background, direct entry np programs for non nurses online offer an accelerated route to become a nurse practitioner, helping bridge the gap for career changers.

If you’re seeking the fastest entry into nursing, adn programs (Associate Degree in Nursing) provide a practical and flexible option. These programs often have higher acceptance rates and can be completed in less time than traditional degrees.

Not interested in direct patient care? Medical administration roles are in high demand. Accredited online courses, such as those listed at medical billing and coding schools online, equip you with essential skills in medical data management and offer financial aid opportunities.

For those worried about entrance exams, there are nursing school without teas test options available, eliminating a significant barrier to entry. These varied pathways help create a more inclusive landscape for future healthcare professionals.

Best Scientists Citing W. Allan Walker

Trending Scientists

Recently Published Articles