A. Algra

2.0k total citations · 1 hit paper
24 papers, 1.3k citations indexed

About

A. Algra is a scholar working on Neurology, Cardiology and Cardiovascular Medicine and Pulmonary and Respiratory Medicine. According to data from OpenAlex, A. Algra has authored 24 papers receiving a total of 1.3k indexed citations (citations by other indexed papers that have themselves been cited), including 7 papers in Neurology, 6 papers in Cardiology and Cardiovascular Medicine and 6 papers in Pulmonary and Respiratory Medicine. Recurrent topics in A. Algra's work include Cerebrovascular and Carotid Artery Diseases (5 papers), Traumatic Brain Injury and Neurovascular Disturbances (5 papers) and Intracranial Aneurysms: Treatment and Complications (4 papers). A. Algra is often cited by papers focused on Cerebrovascular and Carotid Artery Diseases (5 papers), Traumatic Brain Injury and Neurovascular Disturbances (5 papers) and Intracranial Aneurysms: Treatment and Complications (4 papers). A. Algra collaborates with scholars based in Netherlands, United States and United Kingdom. A. Algra's co-authors include Peter M. Rothwell, Ale Algra, Gabriël J.E. Rinkel, Catharina J.M. Klijn, Michiel H.F. Poorthuis, L. Jaap Kappelle, T.U. Hoogenraad, Jacoba P. Greving, Mervyn D. I. Vergouwen and W P Mali and has published in prestigious journals such as The Lancet, Neurology and Radiology.

In The Last Decade

A. Algra

24 papers receiving 1.3k 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.

Effects of regular aspirin on long-term cancer incidence and metastasis: a systematic comparison of evidence from observational studies versus randomised trials

2012 627 citations A. Algra, Peter M. Rothwell The Lancet Oncology profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
A. Algra Netherlands	11	297	261	254	245	226	24	1.3k
S. Friis Denmark	25	439 1.5×	197 0.8×	457 1.8×	271 1.1×	586 2.6×	52	2.4k
Isaac Lévy Israel	19	171 0.6×	155 0.6×	92 0.4×	110 0.4×	122 0.5×	75	1.5k
Michiaki Abe Japan	20	162 0.5×	182 0.7×	48 0.2×	256 1.0×	252 1.1×	82	1.8k
Chun Sing Lam United States	21	300 1.0×	349 1.3×	76 0.3×	31 0.1×	167 0.7×	64	4.6k
Gabriela M. Kuster Switzerland	24	190 0.6×	989 3.8×	76 0.3×	213 0.9×	205 0.9×	58	2.4k
Ying Zhou China	22	193 0.6×	59 0.2×	128 0.5×	43 0.2×	188 0.8×	103	1.4k
Yingyi Qin China	18	264 0.9×	122 0.5×	39 0.2×	60 0.2×	230 1.0×	59	1.3k
Belén Oliva Spain	21	176 0.6×	563 2.2×	62 0.2×	45 0.2×	134 0.6×	39	1.5k
Miklós Garami Hungary	22	248 0.8×	193 0.7×	31 0.1×	392 1.6×	254 1.1×	117	2.0k
Greta Lee Splansky United States	17	251 0.8×	325 1.2×	64 0.3×	33 0.1×	608 2.7×	26	2.1k

Countries citing papers authored by A. Algra

Since Specialization

Citations

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

Fields of papers citing papers by A. Algra

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of A. Algra

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

Algra, A., Jacoba P. Greving, Marieke J.H. Wermer, et al.. (2022). Quality of Life Outcomes Over Time in Patients With Unruptured Intracranial Aneurysms With and Without Preventive Occlusion. Neurology. 99(16). e1715–e1724. 7 indexed citations

Vergouwen, Mervyn D. I., et al.. (2021). Management decisions on unruptured intracranial aneurysms before and after implementation of the PHASES score. Journal of the Neurological Sciences. 422. 117319–117319. 6 indexed citations

Algra, A., Antti Lindgren, Mervyn D. I. Vergouwen, et al.. (2018). Procedural Clinical Complications, Case-Fatality Risks, and Risk Factors in Endovascular and Neurosurgical Treatment of Unruptured Intracranial Aneurysms. JAMA Neurology. 76(3). 282–282. 145 indexed citations

Algra, A., et al.. (2016). Limitations in the Activity of Mobility at Age 6 Years After Difficult Birth at Term: Prospective Cohort Study. Physical Therapy. 96(8). 1225–1233. 3 indexed citations

Poorthuis, Michiel H.F., A. Algra, Ale Algra, L. Jaap Kappelle, & Catharina J.M. Klijn. (2016). Female- and Male-Specific Risk Factors for Stroke. JAMA Neurology. 74(1). 75–75. 117 indexed citations

Algra, A. & Friedo W. Dekker. (2015). [The use of medical journals by medical students. Which medical journals are read?].. PubMed. 159. A8850–A8850. 1 indexed citations

Algra, A.. (2013). Towards a global brief on aspirin. The Lancet. 381(9875). 1344–1345. 3 indexed citations

Algra, A. & Peter M. Rothwell. (2012). Effects of regular aspirin on long-term cancer incidence and metastasis: a systematic comparison of evidence from observational studies versus randomised trials. The Lancet Oncology. 13(5). 518–527. 627 indexed citations breakdown →

Man, Sumche, A. Algra, C. Jan Willem Borleffs, et al.. (2011). Influence of the vectorcardiogram synthesis matrix on the power of the electrocardiogram-derived spatial QRS-T angle to predict arrhythmias in patients with ischemic heart disease and systolic left ventricular dysfunction. Journal of Electrocardiology. 44(4). 410–415. 25 indexed citations

10.

Algra, A., et al.. (2011). [Cultural interests of doctors, accountants and lawyers; art, culture and interface with the profession].. PubMed. 155(51). A4402–A4402. 1 indexed citations

11.

Man, Sumche, A. Algra, Suzanne C. Cannegieter, et al.. (2010). Accuracy of spatial QRS-T angles: differences between measurements done in standard 12-lead ECGs and in Frank VCGs. European Heart Journal. 31. 286–286. 1 indexed citations

12.

Algra, A., Sumche Man, Suzanne C. Cannegieter, et al.. (2010). The spatial QRS-T angle in the Frank vectorcardiogram: accuracy of estimates derived from the 12-lead electrocardiogram. Journal of Electrocardiology. 43(4). 294–301. 47 indexed citations

13.

Havenaar, Johan M., Maarten L. J. Smits, Wiepke Cahn, et al.. (2010). First contact incidence of psychotic disorders among native Dutch and Moroccan immigrants in the Netherlands: Influence of diagnostic bias. Schizophrenia Research. 119(1-3). 27–33. 33 indexed citations

14.

Dijk, J. Marc C. van, et al.. (2006). Carotid intima-media thickness and the risk of new vascular events in patients with manifest atherosclerotic disease: the SMART study. European Heart Journal. 27(16). 1971–1978. 66 indexed citations

15.

Visseren, Frank L.J., et al.. (2003). [Hospital-wide vascular screening program at the University Medical Center, Utrecht: prevalence of risk factors and asymptomatic vascular disease from 1996 to 2002].. PubMed. 147(48). 2376–82. 2 indexed citations

16.

Mali, W.P.T.M., Bea C. Tanis, Frits R. Rosendaal, et al.. (2001). Chlamydia pneumoniae, helicobacter pylori and cytomegalovirus infections and the risk of peripheral arterial disease in young women. Atherosclerosis Supplements. 2(2). 77–77. 3 indexed citations

17.

Raaymakers, Theodora W. M., B Verbeeten, L. M. P. Ramos, et al.. (1999). MR angiography as a screening tool for intracranial aneurysms: feasibility, test characteristics, and interobserver agreement.. American Journal of Roentgenology. 173(6). 1469–1475. 34 indexed citations

18.

Simons, Petra C. G., Y. van der Graaf, J.D. Banga, B.C. Eikelboom, & A. Algra. (1998). [The screening for asymptomatic vascular disease and risk factors in high risk patients: current practice].. PubMed. 142(19). 1096–9. 2 indexed citations

19.

Algra, A., et al.. (1996). Wilson disease: findings at MR imaging and CT of the brain with clinical correlation.. Radiology. 198(2). 531–536. 109 indexed citations

20.

Smits, Marcel G., et al.. (1994). Type of Weather and Cerebral Ischemic Events: A Relationship in Moderate Climates?. Cerebrovascular Diseases. 4(5). 373–374. 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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