Jonathan N. Leonard

3.4k total citations · 1 hit paper
13 papers, 1.7k citations indexed

About

Jonathan N. Leonard is a scholar working on Gastroenterology, Pathology and Forensic Medicine and Rheumatology. According to data from OpenAlex, Jonathan N. Leonard has authored 13 papers receiving a total of 1.7k indexed citations (citations by other indexed papers that have themselves been cited), including 9 papers in Gastroenterology, 6 papers in Pathology and Forensic Medicine and 6 papers in Rheumatology. Recurrent topics in Jonathan N. Leonard's work include Celiac Disease Research and Management (9 papers), Autoimmune Bullous Skin Diseases (6 papers) and Microscopic Colitis (5 papers). Jonathan N. Leonard is often cited by papers focused on Celiac Disease Research and Management (9 papers), Autoimmune Bullous Skin Diseases (6 papers) and Microscopic Colitis (5 papers). Jonathan N. Leonard collaborates with scholars based in United Kingdom, Finland and United States. Jonathan N. Leonard's co-authors include Marjorie M. Walker, Carolina Ciacci, Marios Hadjivassiliou, Katri Kaukinen, Jonas F. Ludvigsson, David S. Sanders, Joseph A. Murray, Julio C. Bai, Federico Biagi and Ciarán P. Kelly and has published in prestigious journals such as New England Journal of Medicine, Gut and Ophthalmology.

In The Last Decade

Jonathan N. Leonard

13 papers receiving 1.7k 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.

The Oslo definitions for coeliac disease and related terms

2012 1.2k citations Jonas F. Ludvigsson, Daniel A. Leffler et al. Gut profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Jonathan N. Leonard United Kingdom	10	1.4k	1.0k	771	286	279	13	1.7k
Francisco León Spain	21	1.0k 0.7×	875 0.9×	636 0.8×	87 0.3×	231 0.8×	63	1.6k
Sonia I. Niveloni Argentina	32	2.3k 1.6×	1.8k 1.8×	1.4k 1.9×	214 0.7×	578 2.1×	82	2.8k
Ingrid Dahlbom Sweden	18	1.4k 1.0×	1.1k 1.1×	868 1.1×	135 0.5×	340 1.2×	27	1.8k
L. Greco Italy	25	1.6k 1.1×	1.2k 1.1×	921 1.2×	118 0.4×	509 1.8×	65	2.0k
E Fabiani Italy	15	2.1k 1.5×	1.5k 1.5×	1.2k 1.6×	126 0.4×	434 1.6×	24	2.2k
Fabiola Fornaroli Italy	12	1.5k 1.1×	1.0k 1.0×	1.0k 1.4×	111 0.4×	319 1.1×	32	1.8k
M Mäki Finland	18	3.0k 2.1×	2.2k 2.1×	1.8k 2.3×	233 0.8×	793 2.8×	21	3.3k
Zulema Kogan Argentina	18	841 0.6×	636 0.6×	767 1.0×	58 0.2×	212 0.8×	46	1.2k
Marco Di Tola Italy	22	809 0.6×	552 0.5×	557 0.7×	89 0.3×	145 0.5×	59	1.0k
Andrew Ippoliti United States	22	350 0.2×	462 0.5×	685 0.9×	141 0.5×	540 1.9×	34	1.3k

Countries citing papers authored by Jonathan N. Leonard

Since Specialization

Citations

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

Fields of papers citing papers by Jonathan N. Leonard

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Jonathan N. Leonard. 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 Jonathan N. Leonard. The network helps show where Jonathan N. Leonard may publish in the future.

Co-authorship network of co-authors of Jonathan N. Leonard

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

All Works

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13 of 13 papers shown

1.

Ciacci, Carolina, Paul J. Ciclitira, Marios Hadjivassiliou, et al.. (2014). The gluten‐free diet and its current application in coeliac disease and dermatitis herpetiformis. United European Gastroenterology Journal. 3(2). 121–135. 86 indexed citations

2.

Cardoso, José Carlos, et al.. (2013). Multiple Follicular Papules on the Back of an Elderly Man. JAMA Dermatology. 149(10). 1233–1233. 8 indexed citations

3.

Ludvigsson, Jonas F., Daniel A. Leffler, Julio C. Bai, et al.. (2012). The Oslo definitions for coeliac disease and related terms. Gut. 62(1). 43–52. 1218 indexed citations breakdown →

4.

Hardman, Catherine, J. Garioch, Jonathan N. Leonard, et al.. (1997). Absence of Toxicity of Oats in Patients with Dermatitis Herpetiformis. New England Journal of Medicine. 337(26). 1884–1887. 101 indexed citations

5.

Baker, Barbara S., et al.. (1995). Absence of Gluten-Specific T Lymphocytes in the Skin of Patients with Dermatitis Herpetiformis. Journal of Autoimmunity. 8(1). 75–82. 9 indexed citations

6.

Baker, Barbara S., et al.. (1995). Lack of proliferative response by gluten-specific T cells in the blood and gut of patients with dermatitis herpetiformis. Journal of Autoimmunity. 8(4). 561–574. 6 indexed citations

7.

Bernauer, Wolfgang, Mark Elder, Jonathan N. Leonard, P Wright, & John Dart. (1994). The value of biopsies in the evaluation of chronic progressive conjunctival cicatrisation. Graefe s Archive for Clinical and Experimental Ophthalmology. 232(9). 533–537. 38 indexed citations

8.

Bernauer, Wolfgang, P Wright, John Dart, Jonathan N. Leonard, & Susan Lightman. (1993). The Conjunctiva in Acute and Chronic Mucous Membrane Pemphigoid. Ophthalmology. 100(3). 339–346. 62 indexed citations

9.

Reunala, Timo & Jonathan N. Leonard. (1991). Malignant disease in dermatitis herpetiformis. Clinics in Dermatology. 9(3). 369–373. 10 indexed citations

10.

Leonard, Jonathan N. & Lionel Fry. (1991). Treatment and management of dermatitis herpetiformis. Clinics in Dermatology. 9(3). 403–408. 24 indexed citations

11.

Beutner, Ernst H., et al.. (1986). Sensitivity and specificity of IgA-class antiendomysial antibodies for dermatitis herpetiformis and findings relevant to their pathogenic significance. Journal of the American Academy of Dermatology. 15(3). 464–473. 37 indexed citations

12.

Leonard, Jonathan N., et al.. (1983). Gluten Challenge in Dermatitis Herpetiformis. New England Journal of Medicine. 308(14). 816–819. 99 indexed citations

13.

Fry, Lionel, et al.. (1981). Disodium cromoglycate in dermatitis herpetiformis. British Journal of Dermatology. 105(1). 83–86. 7 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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