Alexander M. Walker

15.8k total citations · 3 hit papers
206 papers, 11.9k citations indexed

About

Alexander M. Walker is a scholar working on Economics and Econometrics, Surgery and Epidemiology. According to data from OpenAlex, Alexander M. Walker has authored 206 papers receiving a total of 11.9k indexed citations (citations by other indexed papers that have themselves been cited), including 31 papers in Economics and Econometrics, 30 papers in Surgery and 30 papers in Epidemiology. Recurrent topics in Alexander M. Walker's work include Health Systems, Economic Evaluations, Quality of Life (22 papers), Pharmacovigilance and Adverse Drug Reactions (16 papers) and Statistical Methods in Clinical Trials (13 papers). Alexander M. Walker is often cited by papers focused on Health Systems, Economic Evaluations, Quality of Life (22 papers), Pharmacovigilance and Adverse Drug Reactions (16 papers) and Statistical Methods in Clinical Trials (13 papers). Alexander M. Walker collaborates with scholars based in United States, United Kingdom and France. Alexander M. Walker's co-authors include Kenneth J. Rothman, Sander Greenland, John D. Seeger, Hershel Jick, Robert J. Glynn, K. Arnold Chan, Sebastian Schneeweiß, Lee L. Lanza, Tobias Kurth and Susan A. Oliveria and has published in prestigious journals such as New England Journal of Medicine, The Lancet and JAMA.

In The Last Decade

Alexander M. Walker

206 papers receiving 11.3k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

CONCEPTS OF INTERACTION

1980 663 citations Kenneth J. Rothman, Alexander M. Walker et al. American Journal of Epidemiology profile →
Incidence of symptomatic hand, hip, and knee osteoarthritis among patients in a health maintenance organization

1995 644 citations Alexander M. Walker et al. Arthritis & Rheumatism profile →
Results of Multivariable Logistic Regression, Propensity Matching, Propensity Adjustment, and Propensity-based Weighting under Conditions of Nonuniform Effect

2005 574 citations Tobias Kurth, Alexander M. Walker et al. American Journal of Epidemiology profile →

Peers

Countries citing papers authored by Alexander M. Walker

Since Specialization

Citations

This map shows the geographic impact of Alexander M. Walker's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Alexander M. Walker with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Alexander M. Walker more than expected).

Fields of papers citing papers by Alexander M. Walker

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Alexander M. Walker. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Alexander M. Walker. The network helps show where Alexander M. Walker may publish in the future.

Co-authorship network of co-authors of Alexander M. Walker

This figure shows the co-authorship network connecting the top 25 collaborators of Alexander M. Walker. A scholar is included among the top collaborators of Alexander M. Walker based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Alexander M. Walker. Alexander M. Walker is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

#	Work	Indexed citations
1	Myocarditis in Patients Starting Combination Checkpoint Inhibitor Therapy: Analysis of a Commercial Claims Database 2024 ·Journal of the American Heart Association ·Alistair C Lindsay, Alexander M. Walker, Sebastian Schneeweiß	3
2	Stratified analysis in comparative effectiveness studies that emulate randomized trials 2023 ·Pharmacoepidemiology and Drug Safety ·(unknown), Robert J. Glynn, Shirley Wang, Julie M. Paik, Sebastian Schneeweiß, Alexander M. Walker, Elisabetta Patorno	4
3	Reuse of data sources to evaluate drug safety signals: When is it appropriate? 2018 ·Pharmacoepidemiology and Drug Safety ·Shirley Wang, Martin Kulldorff, Robert J. Glynn, Joshua J. Gagne, Anton Pottegård, Kenneth J. Rothman, Sebastian Schneeweiß, Alexander M. Walker	9
4	Removal of ineligible outcome cases reduces confounding 2018 ·Clinical Epidemiology ·Alexander M. Walker, Sebastian Schneeweiß, Maral DerSarkissian, Mei Sheng Duh	2
5	The Structure and Catalytic Mechanism of Sorghum bicolor Caffeoyl-CoA O-Methyltransferase 2016 ·PLANT PHYSIOLOGY ·Alexander M. Walker, (unknown), (unknown), Jeffrey P. Jones, John Ralph, Wilfred Vermerris, Scott E. Sattler, ChulHee Kang	56
6	Acute Nonarteritic Anterior Ischemic Optic Neuropathy and Exposure to Phosphodiesterase Type 5 Inhibitors 2014 ·The Journal of Sexual Medicine ·Ulka B. Campbell, Alexander M. Walker, Michael Gaffney, Kenneth R. Petronis, Dana Creanga, (unknown), Ronald Klein, Alan M. Laties, Michael A. O. Lewis, Ira D. Sharlip, (unknown), Brian Klee, Jingping Mo, Robert F. Reynolds	52
7	Use of Propensity Score Technique to Account for Exposure-Related Covariates 2007 ·Medical Care ·John D. Seeger, Tobias Kurth, Alexander M. Walker	72
8	Multilevel modelling of the incidence of visceral leishmaniasis in Teresina, Brazil 2006 ·Epidemiology and Infection ·Guilherme Loureiro Werneck, Carlos Henrique Nery Costa, Alexander M. Walker, (unknown), M. P. Wand, James H. Maguire	103
9	Severe Vascular Events in Migraine Patients 2004 ·Headache The Journal of Head and Face Pain ·Priscilla Velentgas, J. Alexander Cole, Jingping Mo, Carolyn R. Sikes, Alexander M. Walker	107
10	Outcomes of Reference Pricing for Angiotensin-Converting–Enzyme Inhibitors 2002 ·New England Journal of Medicine ·Sebastian Schneeweiß, Alexander M. Walker, Robert J. Glynn, Malcolm Maclure, Colin R. Dormuth, Stephen B. Soumerai	141
11	Asthma mortality:summary of a round-table discussion, New York, January 1997 1999 ·European Respiratory Journal ·Ursula Ackermann‐Liebrich, H Ross Anderson, Josep M. Antó, Richard Beasley, A. Sonia Buist, Peter Burney, Pierre Ernst, Peter J. Gergen, Richard Ingram, Stephan Lanes, Neil Pearce, C.E. Reed, B Rijcken, Samy Suissa, P. Vermeire, Alexander M. Walker, (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown)	4
12	Calcium channel blockers, cancer incidence, and cancer mortality in a cohort of U.S. Women 1998 ·Cancer ·Karin B. Michels, Bernard Rosner, Alexander M. Walker, Meir J. Stampfer, JoAnn E. Manson, Graham A. Colditz, Charles H. Hennekens, Walter C. Willett	45
13	Open debate on hormone-replacement therapy 1998 ·The Lancet ·Peter Boyle, Richard Horton, George K. Radda, David Sharp, Umberto Veronesi, Alexander M. Walker	5
14	Mortality in Current and Former Users of Clozapine 1997 ·Epidemiology ·Alexander M. Walker, Lee L. Lanza, Félix Arellano, Kenneth J. Rothman	177
15	Resource utilization and cost of care for rheumatoid arthritis and osteoarthritis in a managed care setting. The importance of drug and surgery costs 1997 ·Arthritis & Rheumatism ·Stephan Lanes, Lee L. Lanza, Paul W. Radensky, Robert A. Yood, Robert F. Meenan, Alexander M. Walker, Nancy A Dreyer	157
16	Common Language 1996 ·Pharmacoepidemiology and Drug Safety ·Alexander M. Walker	2
17	Cigarette smoking, alcohol, tea and coffee consumption and pancreas cancer risk: A case‐control study from opole, Poland 1993 ·International Journal of Cancer ·Witold Zatoński, Peter Boyle, (unknown), Patrick Maisonneuve, Kazimierz Drosik, Alexander M. Walker	80
18	A Case-Control Study of Diet and Cancer of the Pancreas 1991 ·American Journal of Epidemiology ·Peter Baghurst, Anthony J. McMichael, Anthony H. Slavotinek, Katrine I. Baghurst, Peter Boyle, Alexander M. Walker	159
19	Mortality from cancer of the colon or rectum among workers exposed to ethyl acrylate and methyl methacrylate. 1991 ·Scandinavian Journal of Work Environment & Health ·Alexander M. Walker, Andrew J. Cohen, Jeanne Loughlin, Kenneth J. Rothman, (unknown)	108
20	Statistical methods in evaluating the outcome of infertility therapy 1979 ·Fertility and Sterility ·Daniel W. Cramer, Alexander M. Walker, Isaac Schiff	185

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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