O May

439 total citations
12 papers, 184 citations indexed

About

O May is a scholar working on Cardiology and Cardiovascular Medicine, Physiology and Pulmonary and Respiratory Medicine. According to data from OpenAlex, O May has authored 12 papers receiving a total of 184 indexed citations (citations by other indexed papers that have themselves been cited), including 7 papers in Cardiology and Cardiovascular Medicine, 3 papers in Physiology and 2 papers in Pulmonary and Respiratory Medicine. Recurrent topics in O May's work include Heart Rate Variability and Autonomic Control (5 papers), Cardiac electrophysiology and arrhythmias (3 papers) and Inhalation and Respiratory Drug Delivery (2 papers). O May is often cited by papers focused on Heart Rate Variability and Autonomic Control (5 papers), Cardiac electrophysiology and arrhythmias (3 papers) and Inhalation and Respiratory Drug Delivery (2 papers). O May collaborates with scholars based in Denmark, United Kingdom and United States. O May's co-authors include Hanne Arildsen, Else Marie Skjøde Damsgaard, Michael E. Rashotte, James B. Chambers, Todd D. Williams, Hans Mickley, J. M. Overton, R. P. Henderson, M. Møller and Hans Mickley and has published in prestigious journals such as Cancer, European Respiratory Journal and Cardiovascular Research.

In The Last Decade

O May

11 papers receiving 175 citations

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
O May Denmark 8 108 40 31 28 22 12 184
Guido Grassi Italy 5 233 2.2× 35 0.9× 22 0.7× 24 0.9× 34 1.5× 12 306
Tiina Salo Finland 9 169 1.6× 72 1.8× 37 1.2× 38 1.4× 28 1.3× 10 237
R Kala Finland 9 255 2.4× 22 0.6× 30 1.0× 29 1.0× 44 2.0× 19 337
Sara Del Colle Italy 6 128 1.2× 21 0.5× 25 0.8× 13 0.5× 27 1.2× 10 156
Giuseppe Schillaci Italy 6 373 3.5× 26 0.7× 46 1.5× 17 0.6× 47 2.1× 6 407
Stuart Frank United States 4 164 1.5× 47 1.2× 12 0.4× 10 0.4× 32 1.5× 5 319
Joseph Mahgerefteh United States 8 124 1.1× 61 1.5× 6 0.2× 42 1.5× 29 1.3× 26 231
O. Niedermaier United States 4 167 1.5× 144 3.6× 22 0.7× 111 4.0× 32 1.5× 4 302
Massimo Calzolari Italy 6 344 3.2× 46 1.1× 17 0.5× 14 0.5× 27 1.2× 12 399
Julien Ott France 4 141 1.3× 45 1.1× 7 0.2× 6 0.2× 30 1.4× 7 210

Countries citing papers authored by O May

Since Specialization
Citations

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

Fields of papers citing papers by O May

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of O May

This figure shows the co-authorship network connecting the top 25 collaborators of O May. A scholar is included among the top collaborators of O May 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 O May. O May is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

12 of 12 papers shown
1.
2.
Lynggaard, Vibeke, Ann‐Dorthe Zwisler, R. Taylor, et al.. (2020). Short- and long-term effects of the patient education strategy—learning and coping—in cardiac rehabilitation: a randomized controlled trial (LC-REHAB). Health Education Research. 36(1). 41–60. 2 indexed citations
3.
Lynggaard, Vibeke, Ann‐Dorthe Zwisler, R. Taylor, O May, & Claus Vinther Nielsen. (2019). Effects of the patient education strategy ‘Learning and Coping’ in cardiac rehabilitation on readmissions and mortality: a randomized controlled trial (LC-REHAB). Health Education Research. 35(1). 74–85. 3 indexed citations
4.
5.
May, O, Hanne Arildsen, Else Marie Skjøde Damsgaard, & Hans Mickley. (2000). Cardiovascular autonomic neuropathy in insulin-dependent diabetes mellitus: prevalence and estimated risk of coronary heart disease in the general population. Journal of Internal Medicine. 248(6). 483–491. 26 indexed citations
6.
Williams, Todd D., James B. Chambers, O May, et al.. (2000). Concurrent reductions in blood pressure and metabolic rate during fasting in the unrestrained SHR. American Journal of Physiology-Regulatory, Integrative and Comparative Physiology. 278(1). R255–R262. 43 indexed citations
7.
May, O, Hanne Arildsen, Else Marie Skjøde Damsgaard, & Hans Mickley. (2000). Cardiovascular autonomic neuropathy in insulin‐dependent diabetes mellitus: prevalence and estimated risk of coronary heart disease in the general population. Journal of Internal Medicine. 248(6). 483–491. 7 indexed citations
8.
May, O, Hanne Arildsen, & M. Møller. (1999). Parasympathetic function during deep breathing in the general population: relation to coronary risk factors and normal range. Journal of Internal Medicine. 245(3). 287–294. 22 indexed citations
9.
May, O. (1997). Prevalence and prediction of silent ischaemia in diabetes mellitus: a population-based study. Cardiovascular Research. 34(1). 241–247. 47 indexed citations
10.
May, O, Ester Garne, & Hans Mickley. (1990). [Complications of long-term treatment with vitamin K antagonists].. PubMed. 152(1). 17–20. 1 indexed citations
11.
May, O, et al.. (1990). Domiciliary nebulized terbutaline in severe chronic airways obstruction. European Respiratory Journal. 3(4). 463–464. 11 indexed citations
12.
May, O, et al.. (1988). Comparison of terbutaline, isotonic saline, ambient air and non-treatment in patients with reversible chronic airway obstruction. European Respiratory Journal. 1(6). 527–530. 11 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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2026