J. K. Frenkel

12.5k total citations · 5 hit papers
137 papers, 9.2k citations indexed

About

J. K. Frenkel is a scholar working on Parasitology, Epidemiology and Virology. According to data from OpenAlex, J. K. Frenkel has authored 137 papers receiving a total of 9.2k indexed citations (citations by other indexed papers that have themselves been cited), including 110 papers in Parasitology, 65 papers in Epidemiology and 25 papers in Virology. Recurrent topics in J. K. Frenkel's work include Toxoplasma gondii Research Studies (100 papers), Herpesvirus Infections and Treatments (40 papers) and Parasitic Infections and Diagnostics (33 papers). J. K. Frenkel is often cited by papers focused on Toxoplasma gondii Research Studies (100 papers), Herpesvirus Infections and Treatments (40 papers) and Parasitic Infections and Diagnostics (33 papers). J. K. Frenkel collaborates with scholars based in United States, Germany and United Kingdom. J. K. Frenkel's co-authors include J. P. Dubey, J. P. Dubey, C. P. Beattie, Nancy L. Miller, Armando Ruiz, Donald D. Smith, Misael Chinchilla, Jeremiah Shultz, Joshua Good and A Morales Ruiz and has published in prestigious journals such as Science, The Lancet and JAMA.

In The Last Decade

J. K. Frenkel

132 papers receiving 8.2k citations

Hit Papers

5 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.

Toxoplasmosis of Animals and Man

1989 1.4k citations J. K. Frenkel et al. Journal of Parasitology profile →
Toxoplasma gondii in Cats: Fecal Stages Identified as Coccidian Oocysts

1970 414 citations J. K. Frenkel, J. P. Dubey et al. profile →
Cyst‐Induced Toxoplasmosis in Cats*

1972 316 citations J. K. Frenkel et al. The Journal of Protozoology profile →
Latent Pneumocystis infection of rats, relapse, and chemotherapy.

1966 292 citations J. K. Frenkel et al. profile →
THE TOXOPLASMA GONDII OOCYST FROM CAT FECES

1970 259 citations J. P. Dubey, Nancy L. Miller et al. The Journal of Experimental Medicine profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
J. K. Frenkel United States	53	7.8k	4.7k	2.1k	934	822	137	9.2k
J. P. Dubey United States	53	12.3k 1.6×	6.2k 1.3×	2.8k 1.4×	1.3k 1.4×	938 1.1×	186	13.1k
Gereon Schares Germany	48	7.9k 1.0×	3.2k 0.7×	1.1k 0.6×	943 1.0×	586 0.7×	244	8.7k
A.M. Tenter Germany	27	4.5k 0.6×	2.1k 0.4×	867 0.4×	603 0.6×	322 0.4×	52	4.8k
O. C. H. Kwok United States	54	7.8k 1.0×	4.6k 1.0×	2.5k 1.2×	810 0.9×	419 0.5×	197	8.5k
Dolores E. Hill United States	37	4.8k 0.6×	2.5k 0.5×	1.1k 0.5×	889 1.0×	268 0.3×	125	5.7k
J. P. Dubey United States	37	4.4k 0.6×	2.0k 0.4×	905 0.4×	499 0.5×	411 0.5×	117	4.9k
David S. Lindsay United States	62	15.8k 2.0×	5.5k 1.2×	2.2k 1.1×	2.6k 2.8×	2.9k 3.6×	475	18.7k
D. Buxton United Kingdom	43	3.3k 0.4×	2.5k 0.5×	420 0.2×	874 0.9×	252 0.3×	146	5.8k
P. Thulliez United States	46	6.5k 0.8×	4.0k 0.9×	1.8k 0.9×	860 0.9×	158 0.2×	111	6.9k
Michael E. Grigg United States	46	4.7k 0.6×	3.0k 0.7×	905 0.4×	655 0.7×	303 0.4×	120	7.3k

Countries citing papers authored by J. K. Frenkel

Since Specialization

Citations

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

Fields of papers citing papers by J. K. Frenkel

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of J. K. Frenkel

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

Maymon, Ron, et al.. (2001). Transvaginal sonographic assessment of cervical length changes during triplet gestation. Human Reproduction. 16(5). 956–960. 22 indexed citations

Frenkel, J. K., et al.. (1997). A hypertensive toddler. The Lancet. 349(9068). 1810–1810. 16 indexed citations

Frenkel, J. K., et al.. (1995). Transmission of Toxoplasma gondii in Panama City, Panama: A Five-Year Prospective Cohort Study of Children, Cats, Rodents, Birds, and Soil. American Journal of Tropical Medicine and Hygiene. 53(5). 458–468. 113 indexed citations

Hillyer, Elizabeth V., Marilyn P. Anderson, Ellis C. Greiner, Carter T. Atkinson, & J. K. Frenkel. (1991). AN OUTBREAK OF SARCOCYSTIS IN A COLLECTION OF PSITTACINES. Journal of Zoo and Wildlife Medicine. 22(4). 434–445. 56 indexed citations

Frenkel, J. K., E. R. Pfefferkorn, Dan Smith, & J L Fishback. (1991). Prospective vaccine prepared from a new mutant of Toxoplasma gondii for use in cats. American Journal of Veterinary Research. 52(5). 759–763. 63 indexed citations

Fishback, J L & J. K. Frenkel. (1990). Prospective vaccines to prevent feline shedding of Toxoplasma oocysts.. Compendium on Continuing Education for The Practicing Veterinarian. 12(5). 643–648. 3 indexed citations

Roberts, Tanya & J. K. Frenkel. (1990). Estimating income losses and other preventable costs caused by congenital toxoplasmosis in people in the United States. Journal of the American Veterinary Medical Association. 196(2). 249–256. 71 indexed citations

Frenkel, J. K.. (1990). Toxoplasmosis in human beings. Journal of the American Veterinary Medical Association. 196(2). 240–248. 53 indexed citations

Freyre, A., J. P. Dubey, Dan Smith, & J. K. Frenkel. (1989). Oocyst-Induced Toxoplasma gondii Infections in Cats. Journal of Parasitology. 75(5). 750–750. 32 indexed citations

10.

Frenkel, J. K., et al.. (1980). INTERMEDIATE AND TRANSPORT HOSTS OF T. GONDII IN COSTA RICA. 29. 1161–1166. 1 indexed citations

11.

Frenkel, J. K., A. O. Heydorn, H. Mehlhorn, & M. Rommel. (1979). Sarcocystinae:Nomina Dubia and available names. Parasitology Research. 58(2). 115–139. 43 indexed citations

12.

Fayer, Ronald & J. K. Frenkel. (1979). Comparative Infectivity for Calves of Oocysts of Feline Coccidia: Besnoitia, Hammondia, Cystoisospora, Sarcocystis, and Toxoplasma. Journal of Parasitology. 65(5). 756–756. 25 indexed citations

13.

Ruiz, Armando, J. K. Frenkel, & Luis Cerdas. (1973). Isolation of Toxoplasma from Soil. Journal of Parasitology. 59(1). 204–204. 53 indexed citations

14.

Swan, Gerry, et al.. (1972). A Simplified Method for Isolation of Toxoplasma gondii from the Feces of Cats. Journal of Parasitology. 58(5). 1005–1005. 56 indexed citations

15.

Dubey, J. P. & J. K. Frenkel. (1972). Extra‐Intestinal Stages of Isospora felis and I. rivolta (Protozoa: Eimeriidae) in Cats*. The Journal of Protozoology. 19(1). 89–92. 57 indexed citations

16.

Wilson, H. R. & J. K. Frenkel. (1971). Immunosuppressive Agents in Intracellular Infection: Besnoitiosis in Hamsters. Infection and Immunity. 3(6). 756–761. 7 indexed citations

17.

Dubey, J. P., Nancy L. Miller, & J. K. Frenkel. (1970). Toxoplasma gondii Life Cycle in Cats. Journal of the American Veterinary Medical Association. 157(11). 1767–1770. 6 indexed citations

18.

Frenkel, J. K.. (1970). Pursuing Toxoplasma. The Journal of Infectious Diseases. 122(6). 553–559. 30 indexed citations

19.

Dubey, J. P., Nancy L. Miller, & J. K. Frenkel. (1970). Characterization of the New Fecal Form of Toxoplasma gondii. Journal of Parasitology. 56(3). 447–447. 131 indexed citations

20.

Frenkel, J. K.. (1956). EFFECTS OF HORMONES ON THE ADRENAL NECROSIS PRODUCED BY BESNOITIA JELLISONI IN GOLDEN HAMSTERS. The Journal of Experimental Medicine. 103(3). 375–398. 12 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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