J. Valk

1.9k total citations · 1 hit paper
16 papers, 1.4k citations indexed

About

J. Valk is a scholar working on Molecular Biology, Neurology and Radiology, Nuclear Medicine and Imaging. According to data from OpenAlex, J. Valk has authored 16 papers receiving a total of 1.4k indexed citations (citations by other indexed papers that have themselves been cited), including 6 papers in Molecular Biology, 4 papers in Neurology and 4 papers in Radiology, Nuclear Medicine and Imaging. Recurrent topics in J. Valk's work include RNA regulation and disease (4 papers), Diabetic Foot Ulcer Assessment and Management (2 papers) and Neurosurgical Procedures and Complications (2 papers). J. Valk is often cited by papers focused on RNA regulation and disease (4 papers), Diabetic Foot Ulcer Assessment and Management (2 papers) and Neurosurgical Procedures and Complications (2 papers). J. Valk collaborates with scholars based in Netherlands, United States and Denmark. J. Valk's co-authors include Marjo S. van der Knaap, Wouter Kamphorst, Rivka Ravid, Philip Scheltens, M.A.A. van Walderveen, Frederik Barkhof, CH Polman, J.H.T.M. van Waesberghe, P. G. Barth and Emilio Franzonı and has published in prestigious journals such as Neurology, Annals of Neurology and Radiology.

In The Last Decade

J. Valk

15 papers receiving 1.4k 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.

Histopathologic correlate of hypointense lesions on T1-weighted spin-echo MRI in multiple sclerosis

1998 519 citations M.A.A. van Walderveen, Wouter Kamphorst et al. Neurology profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
J. Valk Netherlands	11	548	503	305	209	165	16	1.4k
Kouichirou Okamoto Japan	21	238 0.4×	338 0.7×	343 1.1×	558 2.7×	295 1.8×	110	1.7k
Nitza Goldenberg‐Cohen Israel	27	611 1.1×	127 0.3×	351 1.2×	359 1.7×	288 1.7×	122	1.9k
Doris Lin United States	15	364 0.7×	90 0.2×	76 0.2×	194 0.9×	81 0.5×	29	1.1k
N J Patronas United States	16	354 0.6×	235 0.5×	662 2.2×	172 0.8×	338 2.0×	21	1.7k
Leo Wolansky United States	21	110 0.2×	402 0.8×	343 1.1×	257 1.2×	310 1.9×	79	1.4k
Kelly M. Gillen United States	18	323 0.6×	197 0.4×	320 1.0×	156 0.7×	98 0.6×	36	1.3k
Andrea Elefante Italy	21	95 0.2×	211 0.4×	256 0.8×	302 1.4×	289 1.8×	108	1.3k
Yoshimasa Mori Japan	28	401 0.7×	266 0.5×	233 0.8×	856 4.1×	453 2.7×	114	2.7k
I E Ormerod United Kingdom	19	204 0.4×	769 1.5×	278 0.9×	701 3.4×	74 0.4×	32	1.5k
Bret C. Mobley United States	23	727 1.3×	139 0.3×	87 0.3×	347 1.7×	151 0.9×	67	1.7k

Countries citing papers authored by J. Valk

Since Specialization

Citations

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

Fields of papers citing papers by J. Valk

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of J. Valk

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

All Works

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16 of 16 papers shown

Schoonheydt, K., et al.. (2024). VATS-visualisatie van een ernstige pulmonale infectie met Nocardia nova resistent tegen trimethoprim-sulfamethoxazol. Tijdschrift voor Geneeskunde.

Hoven, Pim van den, J. Valk, Nikolaj Nerup, et al.. (2022). Normalization of Time-Intensity Curves for Quantification of Foot Perfusion Using Near-Infrared Fluorescence Imaging With Indocyanine Green. Journal of Endovascular Therapy. 30(3). 364–371. 13 indexed citations

Hoven, Pim van den, J. Valk, Jan van Schaik, et al.. (2021). Assessment of Tissue Viability Following Amputation Surgery Using Near-Infrared Fluorescence Imaging With Indocyanine Green. Annals of Vascular Surgery. 78. 281–287. 18 indexed citations

Valk, J.. (2011). A Possible Role of BA8 in Pre-surgical fMRI. The Neuroradiology Journal. 24(3). 395–400. 2 indexed citations

Knaap, Marjo S. van der, Ron A. Wevers, Eduard A. Struys, et al.. (1999). Leukoencephalopathy associated with a disturbance in the metabolism of polyols. Annals of Neurology. 46(6). 925–928. 50 indexed citations

Knaap, Marjo S. van der, et al.. (1998). Phenotypic variation in leukoencephalopathy with vanishing white matter. Neurology. 51(2). 540–547. 141 indexed citations

Knaap, Marjo S. van der, H. D. Bakker, & J. Valk. (1998). MR imaging and proton spectroscopy in 3-hydroxy-3-methylglutaryl coenzyme A lyase deficiency.. American Journal of Neuroradiology. 19(2). 378–82. 34 indexed citations

Walderveen, M.A.A. van, Wouter Kamphorst, Philip Scheltens, et al.. (1998). Histopathologic correlate of hypointense lesions on T1-weighted spin-echo MRI in multiple sclerosis. Neurology. 50(5). 1282–1288. 519 indexed citations breakdown →

Knaap, Marjo S. van der, P. G. Barth, F.J.M. Gabreëls, et al.. (1997). A new leukoencephalopathy with vanishing white matter. Neurology. 48(4). 845–854. 271 indexed citations

10.

Valk, J. & Marjo S. van der Knaap. (1996). Selective Vulnerability in Toxic Encephalopathies and Metabolic Disorders. Rivista di Neuroradiologia. 9(6). 749–760. 4 indexed citations

11.

Portegies, Peter, et al.. (1992). [Progressive multifocal leukoencephalopathy in AIDS].. PubMed. 136(11). 521–6. 1 indexed citations

12.

Brekel, Michiel W. M. van den, Jonas A. Castelijns, Herbert V. Stel, et al.. (1991). Occult metastatic neck disease: detection with US and US-guided fine-needle aspiration cytology.. Radiology. 180(2). 457–461. 188 indexed citations

13.

Rossum, Albert C. van, M. Sprenger, Frank Visser, et al.. (1991). An in vivo validation of quantitative blood flow imaging in arteries and veins using magnetic resonance phase-shift techniques. European Heart Journal. 12(2). 117–126. 77 indexed citations

14.

Knaap, Marjo S. van der & J. Valk. (1989). The reflection of histology in MR imaging of Pelizaeus-Merzbacher disease.. American Journal of Neuroradiology. 10(1). 99–103. 58 indexed citations

15.

Valk, J., et al.. (1986). Rapid spontaneous resolution of an acute subdural hematoma. Neurosurgery. 19(3). 446???8–446???8. 5 indexed citations

16.

Njiokiktjien, C, et al.. (1980). Subdural Hygroma: Results of Treatment by Ventriculo-Abdominal Shunt. Pediatric Neurosurgery. 7(6). 285–302. 15 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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