Robert W. Ryder

6.2k total citations · 1 hit paper
62 papers, 4.7k citations indexed

About

Robert W. Ryder is a scholar working on Infectious Diseases, Epidemiology and General Health Professions. According to data from OpenAlex, Robert W. Ryder has authored 62 papers receiving a total of 4.7k indexed citations (citations by other indexed papers that have themselves been cited), including 42 papers in Infectious Diseases, 27 papers in Epidemiology and 13 papers in General Health Professions. Recurrent topics in Robert W. Ryder's work include HIV/AIDS Research and Interventions (28 papers), Adolescent Sexual and Reproductive Health (12 papers) and HIV Research and Treatment (11 papers). Robert W. Ryder is often cited by papers focused on HIV/AIDS Research and Interventions (28 papers), Adolescent Sexual and Reproductive Health (12 papers) and HIV Research and Treatment (11 papers). Robert W. Ryder collaborates with scholars based in United States, Democratic Republic of the Congo and Belgium. Robert W. Ryder's co-authors include Frieda Behets, Peter Piot, Véronique Batter, Nzilambi Nzila, A.T. Manoka, Marie Laga, William L. Heyward, Jelle J. Goeman, Michel Alary and Robert Colebunders and has published in prestigious journals such as New England Journal of Medicine, JAMA and PLoS ONE.

In The Last Decade

Robert W. Ryder

62 papers receiving 4.3k citations

Hit Papers

Non-ulcerative sexually transmitted diseases as risk fact... 1993 2026 2004 2015 1993 250 500 750
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.

  1. Non-ulcerative sexually transmitted diseases as risk factors for HIV-1 transmission in women
    1993 925 citations Marie Laga, A.T. Manoka et al. AIDS profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Robert W. Ryder United States 36 2.5k 1.8k 1.2k 824 745 62 4.7k
Michael E. St. Louis United States 48 2.3k 0.9× 2.6k 1.4× 1.6k 1.4× 1.7k 2.1× 656 0.9× 99 6.4k
Anne Buvé Belgium 41 2.6k 1.1× 1.8k 1.0× 2.0k 1.7× 974 1.2× 579 0.8× 117 4.7k
Sheldon H. Landesman United States 47 3.5k 1.4× 3.1k 1.7× 809 0.7× 573 0.7× 1.7k 2.3× 122 6.4k
Mary Meehan Ireland 19 2.6k 1.1× 1.6k 0.9× 971 0.8× 641 0.8× 1.2k 1.6× 33 4.0k
Thomas C. Quinn United States 27 1.6k 0.6× 1.2k 0.6× 763 0.7× 884 1.1× 567 0.8× 53 3.4k
James Whitworth United Kingdom 38 2.6k 1.0× 1.7k 0.9× 1.2k 1.1× 302 0.4× 546 0.7× 101 4.6k
R A Coutinho Netherlands 44 2.6k 1.0× 3.1k 1.7× 624 0.5× 538 0.7× 1.9k 2.5× 154 5.9k
Johnstone Kumwenda United States 39 3.1k 1.3× 1.9k 1.0× 1.1k 1.0× 838 1.0× 1.7k 2.3× 124 5.2k
Guy de Bruyn South Africa 31 2.2k 0.9× 1.5k 0.8× 1.3k 1.1× 614 0.7× 640 0.9× 99 3.6k
Tsungai Chipato United States 34 1.7k 0.7× 1.4k 0.7× 1.6k 1.4× 1.4k 1.7× 451 0.6× 142 4.1k

Countries citing papers authored by Robert W. Ryder

Since Specialization
Citations

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

Fields of papers citing papers by Robert W. Ryder

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Robert W. Ryder. 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 Robert W. Ryder. The network helps show where Robert W. Ryder may publish in the future.

Co-authorship network of co-authors of Robert W. Ryder

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

All Works

20 of 20 papers shown
1.
2.
Bass, Judith, et al.. (2008). Post‐partum depression in Kinshasa, Democratic Republic of Congo: Validation of a concept using a mixed‐methods cross‐cultural approach. Tropical Medicine & International Health. 13(12). 1534–1542. 63 indexed citations
3.
Nabatov, Alexey A., Sergei V. Verevochkin, Alexander Emelyanov, et al.. (2007). The Rate of Epidemiological And Virological Changes during The Transition from Nascent to Concentrated HIV Epidemic Stage in The Former Soviet Union Countries. AIDS Research and Human Retroviruses. 23(2). 183–192. 9 indexed citations
4.
Miller, William C., et al.. (2006). Syphilis Management in St. Petersburg, Russia: 1995–2001. Sexually Transmitted Diseases. 33(4). 244–249. 9 indexed citations
5.
Pence, Brian W., Bradley N. Gaynes, Kathryn Whetten, et al.. (2005). Validation of a Brief Screening Instrument for Substance Abuse and Mental Illness in HIV-Positive Patients. JAIDS Journal of Acquired Immune Deficiency Syndromes. 40(4). 434–444. 51 indexed citations
6.
Ryder, Robert W., et al.. (2000). Effect of HIV-1 Infection on Tuberculosis and Fertility in a Large Workforce in Kinshasa, Democratic Republic of the Congo. AIDS Patient Care and STDs. 14(6). 297–304. 9 indexed citations
7.
Laga, Marie, A.T. Manoka, Nzilambi Nzila, et al.. (1993). Non-ulcerative sexually transmitted diseases as risk factors for HIV-1 transmission in women. AIDS. 7(1). 95–102. 925 indexed citations breakdown →
8.
Pappaioanou, Marguerite, Kashamuka Mwandagalirwa, Frieda Behets, et al.. (1993). Accurate detection of maternal antibodies to HIV in newborn whole blood dried on filter paper. AIDS. 7(4). 483–488. 20 indexed citations
9.
Ryder, Robert W., et al.. (1992). Persistent Hepatitis B Virus Infection and Hepatoma in The Gambia, West Africa. American Journal of Epidemiology. 136(9). 1122–1131. 36 indexed citations
10.
Laga, Marie, Joseph P. Icenogle, A.T. Manoka, et al.. (1992). Genital papillomavirus infection and cervical dysplasia—opportunistic complications of hiv infection. International Journal of Cancer. 50(1). 45–48. 161 indexed citations
11.
Behets, Frieda, Thomas C. Quinn, Nzilambi Nzila, et al.. (1991). Detection of salivary HIV-1-specific IgG antibodies in high-risk populations in Zaire.. PubMed. 4(2). 183–7. 46 indexed citations
12.
Ryder, Robert W., et al.. (1991). Risk of Tuberculosis Among Women of Childbearing Age with Hiv Infection in Zaire: Reply. American Review of Respiratory Disease. 144(5). 1219–1220. 1 indexed citations
13.
14.
Braun, Michelle, et al.. (1991). A Retrospective Cohort Study of the Risk of Tuberculosis Among Women of Childbearing Age with HIV Infection in Zaire. American Review of Respiratory Disease. 143(3). 501–504. 80 indexed citations
15.
16.
Ryder, Robert W., Susan E. Hassig, Munkolenkole Kamenga, et al.. (1990). Heterosexual transmission of HIV-1 among employees and their spouses at two large businesses in Zaire. AIDS. 4(8). 725–732. 63 indexed citations
17.
Behets, Frieda, Stefano Bertozzi, Kashamuka Mwandagalirwa, et al.. (1990). Successful use of pooled sera to determine HIV-1 seroprevalence in Zaire with development of cost-efficiency models. AIDS. 4(8). 737–742. 73 indexed citations
18.
Colebunders, Robert, Robert W. Ryder, Nzila Nzilambi, et al.. (1989). HIV Infection in Patients with Tuberculosis in Kinshasa, Zaire. American Review of Respiratory Disease. 139(5). 1082–1085. 144 indexed citations
19.
Ryder, Robert W., James D Shelton, & Mary Guinan. (1980). NECROTIZING ENTEROCOLITIS. American Journal of Epidemiology. 112(1). 113–123. 122 indexed citations
20.
Ryder, Robert W., Alfred E. Buxton, I K Wachsmuth, Edward O. Mason, & Fred F. Barrett. (1977). Heat-stable enterotoxigenic Escherichia coli and necrotizing enterocolitis: Lack of an association. The Journal of Pediatrics. 91(2). 302–303. 4 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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