2026 Alexander M. Walker: Medicine Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Medicine	95	10113	9490	5208	4810	321	31313

Alexander M. 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 Alexander M. Walker sits on this spectrum.

101 publications 1,796+

This scientist: 321 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.

Alexander M. 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 Alexander M. Walker sits on this spectrum.

70 D-Index 217+

This scientist: 95 D-Index — 51st percentile

51% 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

1951 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

Alexander M. Walker is affiliated with Harvard University in the United States. Their research primarily focuses on the field of Medicine, with specific engagement in areas such as Statistics and Probability, Infectious Diseases, Epidemiology, Oncology, and Emergency Medicine.

The main research topics encompass Statistical Methods in Clinical Trials, Advanced Causal Inference Techniques, Pharmacovigilance and Adverse Drug Reactions, Epilepsy Research and Treatment, as well as HIV/AIDS Research and Interventions and related complications and treatments.

Walker has contributed to several recent publications, including:

"Trends of HIV Mortality between 2001 and 2018: An Observational Analysis," 2021, Tropical Medicine and Infectious Disease
"An Evaluation of the Effect of the OxyContin Reformulation on Unintentional Fatal and Nonfatal Overdose," 2022, Clinical Journal of Pain
"Stratified analysis in comparative effectiveness studies that emulate randomized trials," 2023, Pharmacoepidemiology and Drug Safety
"Myocarditis in Patients Starting Combination Checkpoint Inhibitor Therapy: Analysis of a Commercial Claims Database," 2024, Journal of the American Heart Association
"Longstanding Phenytoin Use as a Cause of Progressive Dyspnea," 2022, CHEST Journal

Frequent co-authors in their work include Chinmay Jani, Harpreet Singh, Arashdeep Rupal, Sebastian Schneeweiß, and Robert J. Glynn.

Walker's research appears regularly in diverse publication venues, such as Tropical Medicine and Infectious Disease, Clinical Journal of Pain, Journal of the American Heart Association, Pharmacoepidemiology and Drug Safety, and BMJ Global Health.

In recognition of professional contributions, Walker received the distinction of Fellow of the American Association for the Advancement of Science (AAAS) in 1951.

Best Publications

Obesity and knee osteoarthritis. The Framingham Study.

David T. Felson;Jennifer J. Anderson;Allan Naimark;Alexander M. Walker

1567
Citations
Incidence of symptomatic hand, hip, and knee osteoarthritis among patients in a health maintenance organization.

Susan A. Oliveria;David T. Felson;John I. Reed;Priscilla A. Cirillo

1247
Citations
Folic Acid Antagonists During Pregnancy and the Risk of Birth Defects

Sonia Hernández-Diaz;Martha M. Werler;Alexander M. Walker;Allen A. Mitchell

1072
Citations
Concepts of interaction.

Kenneth J. Rothman;Sander Greenland;Alexander M. Walker

834
Citations
Results of Multivariable Logistic Regression, Propensity Matching, Propensity Adjustment, and Propensity-based Weighting under Conditions of Nonuniform Effect

Tobias Kurth;Alexander M. Walker;Robert J. Glynn;K. Arnold Chan

781
Citations
Body weight, body mass index, and incident symptomatic osteoarthritis of the hand, hip, and knee.

Susan A. Oliveria;David T. Felson;Priscilla A. Cirillo;John I. Reed

673
Citations
The incidence of erythema multiforme, Stevens-Johnson syndrome, and toxic epidermal necrolysis. A population-based study with particular reference to reactions caused by drugs among outpatients.

Heng-Leong Chan;Robert S. Stern;Kenneth A. Arndt;Joe Langlois

647
Citations
Hepatitis B vaccination and the risk of multiple sclerosis.

Alberto Ascherio;Shumin M. Zhang;Miguel A. Hernán;Michael J. Olek

616
Citations
Discontinuation of antihyperlipidemic drugs : do rates reported in clinical trials reflect rates in primary care settings ?

Susan E. Andrade;Alexander M. Walker;Lawrence K. Gottlieb;Norman K. Hollenberg

611
Citations
Risk analysis for mortality from respiratory tumors in a cohort of refractory ceramic fiber workers.

Alexander M. Walker;L.Daniel Maxim;Mark Utell

590
Citations
Persistence and adherence with topical glaucoma therapy.

Beth L. Nordstrom;David S. Friedman;Essy Mozaffari;Harry A. Quigley

572
Citations
Mortality in current and former users of clozapine.

Alexander M. Walker;Lee L. Lanza;Felix Arellano;Kenneth J. Rothman

472
Citations
A Case-Control Study of Risk Factors in Open Angle Glaucoma

M R Wilson;E Hertzmark;A M Walker;K Childs-Shaw

423
Citations
Drug-associated antineutrophil cytoplasmic antibody–positive vasculitis: Prevalence among patients with high titers of antimyeloperoxidase antibodies

Hyon K. Choi;Peter A. Merkel;Alexander M. Walker;John L. Niles

412
Citations
Inhibition of Clinical Benefits of Aspirin on First Myocardial Infarction by Nonsteroidal Antiinflammatory Drugs

Tobias Kurth;Robert J. Glynn;Alexander M. Walker;K. Arnold Chan

390
Citations
Replacement Estrogens and Endometrial Cancer

Hershel Jick;Richard N. Watkins;Judith R. Hunter;Barbara J. Dinan

359
Citations
Neural Tube Defects in Relation to Use of Folic Acid Antagonists during Pregnancy

Sonia Hernández-Díaz;Martha M. Werler;Alexander M. Walker;Allen A. Mitchell

338
Citations
Ganciclovir and Acyclovir Reduce the Risk of Post-Transplant Lymphoproliferative Disorder in Renal Transplant Recipients

Donnie P. Funch;Alexander M. Walker;Gary Schneider;Najat J. Ziyadeh

337
Citations
Aprotinin during coronary-artery bypass grafting and risk of death.

Sebastian Schneeweiss;John D Seeger;Joan Landon;Alexander M Walker

329
Citations
Risk factors for postherpetic neuralgia

Peter W. Choo;Karin Galil;James G. Donahue;Alexander M. Walker

317
Citations

Frequent Co-Authors

Hershel Jick Boston University

Kenneth J. Rothman Boston University

Sebastian Schneeweiss Brigham and Women's Hospital

Robert J. Glynn Harvard Medical School

Tobias Kurth Charité - University Medicine Berlin

Meir J. Stampfer Harvard University

Richard Platt Harvard University

Jerry Avorn Brigham and Women's Hospital

David T. Felson Boston University

Patrick Maisonneuve European Institute of Oncology

External Links

Personal website of Alexander M. Walker

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