John C. Ridderhof

2.1k total citations · 1 hit paper
26 papers, 1.4k citations indexed

About

John C. Ridderhof is a scholar working on Epidemiology, Infectious Diseases and General Health Professions. According to data from OpenAlex, John C. Ridderhof has authored 26 papers receiving a total of 1.4k indexed citations (citations by other indexed papers that have themselves been cited), including 14 papers in Epidemiology, 12 papers in Infectious Diseases and 7 papers in General Health Professions. Recurrent topics in John C. Ridderhof's work include Tuberculosis Research and Epidemiology (12 papers), Mycobacterium research and diagnosis (11 papers) and Clinical Laboratory Practices and Quality Control (5 papers). John C. Ridderhof is often cited by papers focused on Tuberculosis Research and Epidemiology (12 papers), Mycobacterium research and diagnosis (11 papers) and Clinical Laboratory Practices and Quality Control (5 papers). John C. Ridderhof collaborates with scholars based in United States, Kenya and Uganda. John C. Ridderhof's co-authors include Nancy G. Warren, Richard J. Wallace, Gail L. Woods, Edward Desmond, Salman H. Siddiqi, Grace Lin, Frank G. Witebsky, Gaby E. Pfyffer, Geraldine S. Hall and Patricia S. Conville and has published in prestigious journals such as Clinical Infectious Diseases, Journal of Clinical Microbiology and Infection and Immunity.

In The Last Decade

John C. Ridderhof

25 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.

Susceptibility Testing of Mycobacteria, Nocardiae, and Other Aerobic Actinomycetes

2011 917 citations Gail L. Woods, Barbara A. Brown‐Elliott et al. profile →

Peers

John C. Ridderhof

EPIDE

SURGE

Anne‐Laure Roux France

Sylvia Cardoso Leão Brazil

Chang Ki Kim South Korea

Gill‐Han Bai South Korea

Florian P. Maurer Germany

Nicole Parrish United States

Beatriz E. Ferro Colombia

Claudio Piersimoni Italy

Florence Brossier France

Andréa von Groll Brazil

Anne‐Laure Roux France

John C. Ridderhof

1.6k ×1.5

EPIDE

1.1k ×1.3

846 ×2.1

247 ×1.2

SURGE

194 ×1.0

Citations per year, relative to John C. Ridderhof John C. Ridderhof (= 1×) peers Anne‐Laure Roux

Countries citing papers authored by John C. Ridderhof

Since Specialization

Citations

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

Fields of papers citing papers by John C. Ridderhof

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by John C. Ridderhof. 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 John C. Ridderhof. The network helps show where John C. Ridderhof may publish in the future.

Co-authorship network of co-authors of John C. Ridderhof

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

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Ned, Renée M., et al.. (2021). Regional Consortia: A Framework for Public Health Laboratory Collaboration and Service Sharing. Public Health Reports. 137(2). 190–196.

Deun, Armand Van, Sabira Tahseen, Dissou Affolabi, et al.. (2018). Sputum smear microscopy in the Xpert^® MTB/RIF era. The International Journal of Tuberculosis and Lung Disease. 23(1). 12–18. 15 indexed citations

Ned, Renée M., et al.. (2015). Competency Guidelines for Public Health Laboratory Professionals: CDC and the Association of Public Health Laboratories.. PubMed. 64(1). 1–81. 30 indexed citations

Ridderhof, John C., et al.. (2013). Public Health Laboratory Systems: At the Crossroads. Public Health Reports. 128(2_suppl). 1–6. 2 indexed citations

Woods, Gail L., Barbara A. Brown‐Elliott, Patricia S. Conville, et al.. (2011). Susceptibility Testing of Mycobacteria, Nocardiae, and Other Aerobic Actinomycetes [Internet]. 10 indexed citations

Woods, Gail L., Barbara A. Brown‐Elliott, Patricia S. Conville, et al.. (2011). Susceptibility Testing of Mycobacteria, Nocardiae, and Other Aerobic Actinomycetes. 917 indexed citations breakdown →

Downes, Frances P. & John C. Ridderhof. (2010). The Evolving Public Health Laboratory System. Public Health Reports. 125(2_suppl). 1–3. 4 indexed citations

Ridderhof, John C.. (2007). roles of laboratories and laboratory systems in effective tuberculosis control. Bulletin of the World Health Organization. 85(5). 354–359. 52 indexed citations

Becx-Bleumink, M, Christopher Gilpin, Moses Joloba, et al.. (2007). Ziehl-Neelsen staining: strong red on weak blue, or weak red under strong blue?. PubMed. 11(11). 1160–1. 8 indexed citations

10.

Martin, Robert K., Thomas L. Hearn, John C. Ridderhof, & Austin Demby. (2005). Implementation of a quality systems approach for laboratory practice in resource-constrained countries. AIDS. 19(Supplement 2). S59–S65. 26 indexed citations

11.

Ridderhof, John C., et al.. (2005). Evaluation of new external quality assessment guidelines involving random blinded rechecking of acid-fast bacilli smears in a pilot project setting in Mexico.. PubMed. 9(3). 301–5. 12 indexed citations

12.

Shinnick, Thomas M., Michael F. Iademarco, & John C. Ridderhof. (2005). National Plan for Reliable Tuberculosis Laboratory Services Using a Systems Approach: Recommendations from CDC and the Association of Public Health Laboratories Task Force on Tuberculosis Laboratory Services. PsycEXTRA Dataset. 54(RR-6). 1–12. 41 indexed citations

13.

Ridderhof, John C., et al.. (2003). Assessment of Laboratory Performance of Nucleic Acid Amplification Tests for Detection of Mycobacterium tuberculosis. Journal of Clinical Microbiology. 41(11). 5258–5261. 3 indexed citations

14.

Astles, J. Rex, John C. Ridderhof, Robert A. Martin, et al.. (2002). Core Functions and Capabilities of State Public Health Laboratories: A Report of the Association of Public Health Laboratories. PsycEXTRA Dataset. 51(RR-14). 1–8. 34 indexed citations

15.

Robinson-Dunn, Barbara, Isaac George, W. Gross, et al.. (2002). Multicenter Evaluation of Ethambutol Susceptibility Testing of Mycobacterium tuberculosis by Agar Proportion and Radiometric Methods. Journal of Clinical Microbiology. 40(11). 3976–3979. 78 indexed citations

16.

Gross, W., Isaac George, Alex Sloutsky, et al.. (2002). Multicenter Evaluation of a Nonweekend Reading Schedule for Radiometric Pyrazinamide Susceptibility Testing of Mycobacterium tuberculosis. Journal of Clinical Microbiology. 40(10). 3753–3756. 2 indexed citations

17.

Beck‐Sagué, Consuelo M., Kimberly Brown, Sandra A. Larsen, et al.. (1996). Laboratory Diagnosis of Sexually Transmitted Diseases in Facilities Within the United States. Sexually Transmitted Diseases. 23(4). 342–349. 12 indexed citations

18.

Woods, Gail L. & John C. Ridderhof. (1996). Quality Assurance in the Mycobacteriology Laboratory: Quality Control, Quality Improvement, and Proficiency Testing. Clinics in Laboratory Medicine. 16(3). 657–675. 8 indexed citations

19.

Ridderhof, John C., Richard J. Wallace, J O Kilburn, et al.. (1991). Chronic Tenosynovitis of the Hand Due to Mycobacterium nonchromogenicum: Use of High-Performance Liquid Chromatography for Identification of Isolates. Clinical Infectious Diseases. 13(5). 857–864. 39 indexed citations

20.

Ridderhof, John C. & Robert C. Barnes. (1989). Fusion of inclusions following superinfection of HeLa cells by two serovars of Chlamydia trachomatis. Infection and Immunity. 57(10). 3189–3193. 51 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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