Martin Frey

21.9k total citations · 1 hit paper
107 papers, 4.6k citations indexed

About

Martin Frey is a scholar working on Pulmonary and Respiratory Medicine, Geophysics and Physiology. According to data from OpenAlex, Martin Frey has authored 107 papers receiving a total of 4.6k indexed citations (citations by other indexed papers that have themselves been cited), including 33 papers in Pulmonary and Respiratory Medicine, 20 papers in Geophysics and 18 papers in Physiology. Recurrent topics in Martin Frey's work include Chronic Obstructive Pulmonary Disease (COPD) Research (32 papers), Geological and Geochemical Analysis (18 papers) and Respiratory Support and Mechanisms (13 papers). Martin Frey is often cited by papers focused on Chronic Obstructive Pulmonary Disease (COPD) Research (32 papers), Geological and Geochemical Analysis (18 papers) and Respiratory Support and Mechanisms (13 papers). Martin Frey collaborates with scholars based in Switzerland, United States and Germany. Martin Frey's co-authors include Kurt Bucher, Milo A. Puhan, Holger J. Schünemann, Stefan Büchi, Rafael Ferreiro Mählmann, O Brändli, Michaela Behnke, Alfred Lichtenschopf, Gordon Guyatt and Johannes C. Hunziker and has published in prestigious journals such as The Lancet, Circulation and SHILAP Revista de lepidopterología.

In The Last Decade

Martin Frey

100 papers receiving 4.4k 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.

Petrogenesis of Metamorphic Rocks

1994 695 citations Martin Frey et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Martin Frey Switzerland	34	1.9k	1.1k	503	466	461	107	4.6k
William J. Meurer United States	40	1.3k 0.7×	504 0.4×	527 1.0×	527 1.1×	148 0.3×	206	6.4k
Nathaniel J. Soper United States	67	2.9k 1.5×	4.0k 3.5×	898 1.8×	580 1.2×	693 1.5×	352	15.7k
E. Ernst United States	70	10.8k 5.6×	1.0k 0.9×	2.5k 4.9×	528 1.1×	616 1.3×	426	17.5k
Brian O’Neill United States	26	374 0.2×	1.6k 1.4×	283 0.6×	331 0.7×	164 0.4×	129	16.3k
William W. Hay United States	63	550 0.3×	1.9k 1.7×	90 0.2×	187 0.4×	1.3k 2.8×	303	12.1k
Kenneth L. Cameron United States	52	1.8k 0.9×	198 0.2×	959 1.9×	404 0.9×	178 0.4×	251	8.4k
John FitzGerald United States	37	960 0.5×	321 0.3×	153 0.3×	326 0.7×	136 0.3×	121	5.5k
John R. Richards United States	48	1.3k 0.7×	247 0.2×	896 1.8×	269 0.6×	136 0.3×	218	7.8k
David Cohen United Kingdom	37	308 0.2×	165 0.1×	854 1.7×	199 0.4×	315 0.7×	183	4.3k
David Lindström United States	34	488 0.3×	562 0.5×	144 0.3×	358 0.8×	168 0.4×	174	4.0k

Countries citing papers authored by Martin Frey

Since Specialization

Citations

This map shows the geographic impact of Martin Frey'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 Martin Frey with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Martin Frey more than expected).

Fields of papers citing papers by Martin Frey

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Martin Frey. 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 Martin Frey. The network helps show where Martin Frey may publish in the future.

Co-authorship network of co-authors of Martin Frey

This figure shows the co-authorship network connecting the top 25 collaborators of Martin Frey. A scholar is included among the top collaborators of Martin Frey 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 Martin Frey. Martin Frey 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

Seidl, Christoph, Sören Thieme, Martin Frey, Kristian Nikolowski, & A. Michaelis. (2024). Comparison of Electronic Resistance Measurement Methods and Influencing Parameters for LMFP and High-Nickel NCM Cathodes. Batteries. 10(3). 105–105. 11 indexed citations

Sievi, Noriane A., Thomas Brack, Martin Brutsche, et al.. (2023). Are Predictors for Overall Mortality in COPD Patients Robust over Time?. Journal of Clinical Medicine. 12(4). 1587–1587. 3 indexed citations

Giezendanner, Stéphanie, Thomas Brack, Martin Brutsche, et al.. (2021). Prediction of Acute COPD Exacerbation in the Swiss Multicenter COPD Cohort Study (TOPDOCS) by Clinical Parameters, Medication Use, and Immunological Biomarkers. Respiration. 101(5). 441–454. 4 indexed citations

Sievi, Noriane A., Matteo Bradicich, Thomas Brack, et al.. (2020). <p>Compliance of Pharmacotherapy with GOLD Guidelines: A Longitudinal Study in Patients with COPD</p>. International Journal of COPD. Volume 15. 627–635. 13 indexed citations

Probst‐Hensch, Nicole, Thierry Rochat, Robert Bettschart, et al.. (2017). Factors associated with cessation of smoking among Swiss adults between 1991 and 2011: results from the SAPALDIA cohort. Swiss Medical Weekly. 147(3940). w14502–w14502. 1 indexed citations

Crook, Sarah, Gilbert Büsching, Konrad Schultz, et al.. (2017). A multicentre validation of the 1-min sit-to-stand test in patients with COPD. European Respiratory Journal. 49(3). 1601871–1601871. 143 indexed citations

Bruinenberg, Marcel, et al.. (2014). Comparing the Hub-and-Spoke Model Practices of the LifeLines Study in the Netherlands and the H3Africa Initiative. Biopreservation and Biobanking. 12(1). 13–16. 4 indexed citations

Mählmann, Rafael Ferreiro & Martin Frey. (2012). Standardisation, calibration and correlation of the Kübler-index and the vitrinite/bituminite reflectance: an inter-laboratory and field related study. Swiss Journal of Geosciences. 105(2). 153–170. 38 indexed citations

Curjuric, Ivan, Elisabeth Zemp, Julia Dratva, et al.. (2010). Determinants of change in airway reactivity over 11 years in the SAPALDIA population study. European Respiratory Journal. 37(3). 492–500. 5 indexed citations

10.

Spaar, Anne, Martin Frey, Alexander Turk, Werner Karrer, & Milo A. Puhan. (2009). Recruitment barriers in a randomized controlled trial from the physicians' perspective – A postal survey. BMC Medical Research Methodology. 9(1). 14–14. 59 indexed citations

11.

Puhan, Milo A., Judith García‐Aymerich, Martin Frey, et al.. (2009). Expansion of the prognostic assessment of patients with chronic obstructive pulmonary disease: the updated BODE index and the ADO index. The Lancet. 374(9691). 704–711. 370 indexed citations

12.

Puhan, Milo A., Martin Frey, Stefan Büchi, & Holger J. Schünemann. (2008). The minimal important difference of the hospital anxiety and depression scale in patients with chronic obstructive pulmonary disease. Health and Quality of Life Outcomes. 6(1). 46–46. 440 indexed citations

13.

Gerbase, Margaret W., Christian Schindler, Jean-Pierre Zellweger, et al.. (2006). Respiratory Effects of Environmental Tobacco Exposure are Enhanced by Bronchial Hyperreactivity. American Journal of Respiratory and Critical Care Medicine. 174(10). 1125–1131. 15 indexed citations

14.

Frey, Martin. (2006). THE CMS-TRACKER DETECTOR CONTROLS SYSTEM. Astroparticle, Particle and Space Physics, Detectors and Medical Physics Applications. 1067–1071. 1 indexed citations

15.

Downs, Sara H., O Brändli, Jean-Pierre Zellweger, et al.. (2005). Accelerated decline in lung function in smoking women with airway obstruction: SAPALDIA 2 cohort study. Respiratory Research. 6(1). 45–45. 56 indexed citations

16.

Puhan, Milo A., Michaela Behnke, P.J. Devereaux, et al.. (2004). Measurement of agreement on health-related quality of life changes in response to respiratory rehabilitation by patients and physicians—A prospective study. Respiratory Medicine. 98(12). 1195–1202. 36 indexed citations

17.

Frey, Martin. (2001). Does ADR Offer Second Class Justice. Tulsa law journal. 36(4). 727–766. 1 indexed citations

18.

Liou, J. G., Christian de Capitani, & Martin Frey. (1991). Zeolite equilibria in the system CaAI ₂ Si ₂ 0 ₈ ‐ NaAISi ₃ O ₈ ‐ SiO ₂ ‐ H ₂ O. New Zealand Journal of Geology and Geophysics. 34(3). 293–301. 32 indexed citations

19.

Frey, Martin. (1978). Biorhythms and Law School Performance.. Journal of legal education. 29(4). 1 indexed citations

20.

Frey, Martin. (1970). The Right of Counsel in Student Disciplinary Hearings. Valparaiso University law review. 5(1). 48–70. 1 indexed citations

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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