T.J. Ryan

668 total citations
13 papers, 532 citations indexed

About

T.J. Ryan is a scholar working on Infectious Diseases, Epidemiology and Microbiology. According to data from OpenAlex, T.J. Ryan has authored 13 papers receiving a total of 532 indexed citations (citations by other indexed papers that have themselves been cited), including 8 papers in Infectious Diseases, 7 papers in Epidemiology and 6 papers in Microbiology. Recurrent topics in T.J. Ryan's work include Tuberculosis Research and Epidemiology (8 papers), Mycobacterium research and diagnosis (7 papers) and Microbial infections and disease research (6 papers). T.J. Ryan is often cited by papers focused on Tuberculosis Research and Epidemiology (8 papers), Mycobacterium research and diagnosis (7 papers) and Microbial infections and disease research (6 papers). T.J. Ryan collaborates with scholars based in New Zealand, United Kingdom and Denmark. T.J. Ryan's co-authors include Geoffrey W. de Lisle, Bryce M. Buddle, Peter Andersen, J.M. Pollock, P.G. Livingstone, Graham Nugent, Desmond M. Collins, David S. L. Ramsey, Rowland R. Kao and M. G. Roberts and has published in prestigious journals such as Journal of Clinical Microbiology, Proceedings of the Royal Society B Biological Sciences and Veterinary Microbiology.

In The Last Decade

T.J. Ryan

13 papers receiving 492 citations

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
T.J. Ryan New Zealand	9	424	377	146	145	66	13	532
M.M. Cooke New Zealand	15	343 0.8×	333 0.9×	127 0.9×	104 0.7×	62 0.9×	20	557
Carmen Casal Spain	16	563 1.3×	460 1.2×	139 1.0×	205 1.4×	100 1.5×	25	657
L. Melville Australia	6	343 0.8×	272 0.7×	110 0.8×	131 0.9×	52 0.8×	12	413
Jacques Godfroid Norway	11	429 1.0×	353 0.9×	129 0.9×	74 0.5×	107 1.6×	12	538
Sandrine Lesellier United Kingdom	13	401 0.9×	285 0.8×	90 0.6×	96 0.7×	55 0.8×	28	567
Jim McNair United Kingdom	12	304 0.7×	343 0.9×	109 0.7×	103 0.7×	62 0.9×	17	554
Anthony Duignan Ireland	15	519 1.2×	390 1.0×	251 1.7×	233 1.6×	100 1.5×	22	643
F. A. Stuart United Arab Emirates	12	371 0.9×	347 0.9×	170 1.2×	112 0.8×	82 1.2×	19	613
Maria Lodovica Pacciarini Italy	13	579 1.4×	466 1.2×	94 0.6×	98 0.7×	160 2.4×	32	683
Om Surujballi Canada	16	242 0.6×	183 0.5×	72 0.5×	106 0.7×	40 0.6×	35	478

Countries citing papers authored by T.J. Ryan

Since Specialization

Citations

This map shows the geographic impact of T.J. Ryan'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 T.J. Ryan with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites T.J. Ryan more than expected).

Fields of papers citing papers by T.J. Ryan

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of T.J. Ryan

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

Bean, David C., et al.. (2007). Evaluation of the BD ProbeTec ET System for Direct Detection of Mycobacterium bovis in Veterinary Specimens. Journal of Clinical Microbiology. 45(10). 3434–3435. 3 indexed citations

Livingstone, P.G., et al.. (2005). Regionalisation: A strategy that will assist with bovine tuberculosis control and facilitate trade. Veterinary Microbiology. 112(2-4). 291–301. 22 indexed citations

Ryan, T.J., P.G. Livingstone, David S. L. Ramsey, et al.. (2005). Advances in understanding disease epidemiology and implications for control and eradication of tuberculosis in livestock: The experience from New Zealand. Veterinary Microbiology. 112(2-4). 211–219. 80 indexed citations

Buddle, Bryce M., A.R. McCarthy, T.J. Ryan, et al.. (2003). Use of mycobacterial peptides and recombinant proteins for the diagnosis of bovine tuberculosis in skin test‐positive cattle. Veterinary Record. 153(20). 615–620. 58 indexed citations

Buddle, Bryce M., T.J. Ryan, J.M. Pollock, Peter Andersen, & Geoffrey W. de Lisle. (2001). Use of ESAT-6 in the interferon-γ test for diagnosis of bovine tuberculosis following skin testing. Veterinary Microbiology. 80(1). 37–46. 76 indexed citations

Ryan, T.J., Bryce M. Buddle, & Geoffrey W. de Lisle. (2000). An evaluation of the gamma interferon test for detecting bovine tuberculosis in cattle 8 to 28 days after tuberculin skin testing. Research in Veterinary Science. 69(1). 57–61. 77 indexed citations

Barlow, N. D., John M. Kean, Natalie Caldwell, & T.J. Ryan. (1998). Modelling the regional dynamics and management of bovine tuberculosis in New Zealand cattle herds. Preventive Veterinary Medicine. 36(1). 25–38. 24 indexed citations

Kao, Rowland R., M. G. Roberts, & T.J. Ryan. (1997). A model of bovine tuberculosis control in domesticated cattle herds. Proceedings of the Royal Society B Biological Sciences. 264(1384). 1069–1076. 31 indexed citations

Pfeiffer, Dirk U., et al.. (1995). The epidemiology ofMycobacterium bovisinfection in brushtail possums (Trichosurus vulpeculaKerr) in the Hauhungaroa Ranges, New Zealand. New Zealand Veterinary Journal. 43(7). 272–280. 25 indexed citations

10.

Ryan, T.J., et al.. (1993). Awassi lamb performance in New Zealand quarantine. Proceedings of the New Zealand Society of Animal Production. 53. 343–346. 3 indexed citations

11.

Wood, P.R., L.A. Corner, J.S. Rothel, et al.. (1992). A field evaluation of serological and cellular diagnostic tests for bovine tuberculosis. Veterinary Microbiology. 31(1). 71–79. 130 indexed citations

12.

Ryan, T.J.. (1992). Bovine brucellosis eradication - the end game. 19(1). 23–24. 1 indexed citations

13.

Ryan, T.J., et al.. (1975). New microtechnique for the leptospiral microscopic agglutination test. Journal of Clinical Microbiology. 2(6). 474–477. 2 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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