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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Medicine 85 14547 13699 7360 6813 322 28059

Walter Ling publications per year

The chart shows the history of publications by Walter Ling between 1969 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Walter Ling published across 57 years, from 1969 to 2025, averaging 5.8 papers a year. Output peaked at 21 publications in 2015. 5 of the 330 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1969 to 2025. Vertical axis: number of publications, 0 to 21. Peak 21 publications in 2015. 1969: 1 publication 1970: 2 publications 1971: 0 publications 1972: 0 publications 1973: 1 publication 1974: 0 publications 1975: 2 publications 1976: 5 publications 1977: 0 publications 1978: 4 publications 1979: 2 publications 1980: 3 publications 1981: 5 publications 1982: 1 publication 1983: 2 publications 1984: 2 publications 1985: 0 publications 1986: 1 publication 1987: 2 publications 1988: 0 publications 1989: 0 publications 1990: 2 publications 1991: 4 publications 1992: 2 publications 1993: 2 publications 1994: 2 publications 1995: 4 publications 1996: 8 publications 1997: 9 publications 1998: 8 publications 1999: 5 publications 2000: 10 publications 2001: 13 publications 2002: 11 publications 2003: 12 publications 2004: 11 publications 2005: 11 publications 2006: 10 publications 2007: 8 publications 2008: 11 publications 2009: 11 publications 2010: 14 publications 2011: 14 publications 2012: 14 publications 2013: 17 publications 2014: 17 publications 2015: 21 publications 2016: 8 publications 2017: 8 publications 2018: 5 publications 2019: 9 publications 2020: 5 publications 2021: 3 publications 2022: 2 publications 2023: 1 publication 2024: 1 publication 2025: 4 publications
1969 2025

330 publications in total across all disciplines

View publications per year as a table
Walter Ling: publications per year, 1969 to 2025
Year Publications
1969 1
1970 2
1971 0
1972 0
1973 1
1974 0
1975 2
1976 5
1977 0
1978 4
1979 2
1980 3
1981 5
1982 1
1983 2
1984 2
1985 0
1986 1
1987 2
1988 0
1989 0
1990 2
1991 4
1992 2
1993 2
1994 2
1995 4
1996 8
1997 9
1998 8
1999 5
2000 10
2001 13
2002 11
2003 12
2004 11
2005 11
2006 10
2007 8
2008 11
2009 11
2010 14
2011 14
2012 14
2013 17
2014 17
2015 21
2016 8
2017 8
2018 5
2019 9
2020 5
2021 3
2022 2
2023 1
2024 1
2025 4
Total 330
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Walter Ling 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 Walter Ling 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, 321–340 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: 322 publications — 21st percentile

21% 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
321–340 895 322
341–360 922
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
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Walter Ling 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 Walter Ling 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: 85 D-Index — 29th percentile

29% 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 85
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
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Overview

Walter Ling is affiliated with the University of California, Los Angeles in the United States, focusing on research primarily in Medicine. Their work encompasses several subfields including Public Health, Environmental and Occupational Health, Epidemiology, Anesthesiology and Pain Medicine, Cellular and Molecular Neuroscience, and Psychiatry and Mental Health.

Their recent research contributions include studies published between 2020 and 2022. Notable papers include:

  • Bupropion and Naltrexone in Methamphetamine Use Disorder (2021), published in New England Journal of Medicine
  • Recovery From Opioid Use Disorder (OUD) After Monthly Long-acting Buprenorphine Treatment: 12-Month Longitudinal Outcomes From RECOVER, an Observational Study (2020), published in Journal of Addiction Medicine
  • Continued Posttrial Benefits of Buprenorphine Extended Release: RECOVER Study Findings (2022), published in Journal of Addiction Medicine
  • An Updated Version of the Treatment Effectiveness Assessment (TEA) [Letter] (2020), published in Substance Abuse and Rehabilitation
  • Buprenorphine Maintenance Subjects Are Hyperalgesic and Have No Antinociceptive Response to a Very High Morphine Dose (2020), published in Pain Medicine

The scientist's research topics focus heavily on substance abuse and pain management. Major themes include:

  • Opioid Use Disorder Treatment
  • Substance Abuse Treatment and Outcomes
  • Pain Management and Opioid Use
  • Neurotransmitter Receptor Influence on Behavior
  • Schizophrenia Research and Treatment
  • Pain Mechanisms and Treatments
  • HIV, Drug Use, Sexual Risk

Frequent co-authors collaborating with Walter Ling include Madhukar H. Trivedi, Steven Shoptaw, Vijay R. Nadipelli, Robrina Walker, and Thomas Carmody.

Their work is published in various venues, with repeated contributions to the Journal of Addiction Medicine and Substance Abuse and Rehabilitation, as well as publications in New England Journal of Medicine, Frontiers in Business Economics and Management, and Pain Medicine.

Best Publications

  • DSM-5 Criteria for Substance Use Disorders: Recommendations and Rationale

    Deborah S. Hasin;Charles P. O’Brien;Marc Auriacombe;Guilherme Borges

  • Validation of the alcohol, smoking and substance involvement screening test (ASSIST)

    Rachel Humeniuk;Robert Ali;Thomas F. Babor;Michael Farrell

  • The Clinical Opiate Withdrawal Scale (COWS)

    Donald R Wesson;Walter Ling

  • Structural Abnormalities in the Brains of Human Subjects Who Use Methamphetamine

    Paul M. Thompson;Kiralee M. Hayashi;Sara L. Simon;Jennifer A. Geaga

  • Office-Based Treatment of Opiate Addiction with a Sublingual-Tablet Formulation of Buprenorphine and Naloxone

    Paul J. Fudala;T. Peter Bridge;Susan Herbert;William O. Williford

  • Injectable extended-release naltrexone for opioid dependence: a double-blind, placebo-controlled, multicentre randomised trial

    Evgeny Krupitsky;Edward V Nunes;Walter Ling;Ari Illeperuma

  • Adjunctive Counseling During Brief and Extended Buprenorphine-Naloxone Treatment for Prescription Opioid Dependence A 2-Phase Randomized Controlled Trial

    Roger D. Weiss;Jennifer Sharpe Potter;David A. Fiellin;David A. Fiellin;Marilyn Byrne;Marilyn Byrne

  • Buprenorphine maintenance treatment of opiate dependence: a multicenter, randomized clinical trial.

    Walter Ling;Charles Charuvastra;Joseph F. Collins;Steve Batki

  • A controlled trial comparing buprenorphine and methadone maintenance in opioid dependence.

    Ling W;Wesson Dr;Charuvastra C;Klett Cj

  • Treatment retention among patients randomized to buprenorphine/naloxone compared to methadone in a multi-site trial.

    Yih Ing Hser;Andrew J. Saxon;David Huang;Al Hasson

  • Mood disturbances and regional cerebral metabolic abnormalities in recently abstinent methamphetamine abusers.

    Edythe D. London;Sara L. Simon;Steven M. Berman;Mark A. Mandelkern

  • Cognitive impairment in individuals currently using methamphetamine.

    Sara L. Simon;Catherine Domier;Jennifer Carnell;Paul Brethen Brethen

  • Pain intolerance in opioid-maintained former opiate addicts: effect of long-acting maintenance agent

    Peggy Compton;V.C Charuvastra;Walter Ling

  • A Comparison of Contingency Management and Cognitive-Behavioral Approaches During Methadone Maintenance Treatment for Cocaine Dependence

    Richard A. Rawson;Alice Huber;Michael McCann;Steven Shoptaw

  • Long-term course of opioid addiction.

    Yih-Ing Hser;Elizabeth Evans;Christine Grella;Walter Ling

  • Hyperalgesic responses in methadone maintenance patients

    Mark Doverty;Jason M. White;Andrew A. Somogyi;Felix Bochner

  • A comparison of contingency management and cognitive-behavioral approaches for stimulant-dependent individuals.

    Richard A. Rawson;Michael J. McCann;Frank Flammino;Steven Shoptaw

  • Bupropion for the Treatment of Methamphetamine Dependence

    Ahmed M Elkashef;Richard A Rawson;Ann L Anderson;Shou-Hua Li

  • A multi-center randomized trial of buprenorphine–naloxone versus clonidine for opioid detoxification: findings from the National Institute on Drug Abuse Clinical Trials Network

    Walter Ling;Leslie Amass;Steve Shoptaw;Jeffrey J. Annon

  • An intensive outpatient approach for cocaine abuse treatment: The matrix model

    Richard A. Rawson;Steven J. Shoptaw;Jeanne L. Obert;Michael J. McCann

Frequent Co-Authors

Richard A. Rawson
Richard A. Rawson University of California, Los Angeles
Steven Shoptaw
Steven Shoptaw University of California, Los Angeles
George E. Woody
George E. Woody University of Pennsylvania
Edward V. Nunes
Edward V. Nunes Columbia University
Roger D. Weiss
Roger D. Weiss Harvard University
George Bartzokis
George Bartzokis University of California, Los Angeles
Andrew A. Somogyi
Andrew A. Somogyi University of Adelaide
Yih-Ing Hser
Yih-Ing Hser University of California, Los Angeles
Edythe D. London
Edythe D. London University of California, Los Angeles
Michael Farrell
Michael Farrell University of New South Wales

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