Fred Kern

5.8k total citations · 1 hit paper
72 papers, 4.3k citations indexed

About

Fred Kern is a scholar working on Surgery, Epidemiology and Oncology. According to data from OpenAlex, Fred Kern has authored 72 papers receiving a total of 4.3k indexed citations (citations by other indexed papers that have themselves been cited), including 21 papers in Surgery, 14 papers in Epidemiology and 13 papers in Oncology. Recurrent topics in Fred Kern's work include Drug Transport and Resistance Mechanisms (11 papers), Diet and metabolism studies (8 papers) and Microscopic Colitis (6 papers). Fred Kern is often cited by papers focused on Drug Transport and Resistance Mechanisms (11 papers), Diet and metabolism studies (8 papers) and Microscopic Colitis (6 papers). Fred Kern collaborates with scholars based in United States, Sweden and Australia. Fred Kern's co-authors include Michael L. Johnson, John W. Singleton, D Z Braverman, Jack M. Becktel, Robert W. Summers, William R. Best, John T. Sessions, Donald M. Switz, Gregory T. Everson and Roger J. Davis and has published in prestigious journals such as New England Journal of Medicine, Proceedings of the National Academy of Sciences and The Lancet.

In The Last Decade

Fred Kern

70 papers receiving 3.8k 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.

National Cooperative Crohn's Disease Study: Results of drug treatment

1979 910 citations Robert W. Summers, Donald M. Switz et al. Gastroenterology profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Fred Kern United States	34	1.7k	1.3k	1.3k	654	628	72	4.3k
A J Levi United Kingdom	45	2.2k 1.3×	1.4k 1.1×	1.7k 1.3×	826 1.3×	837 1.3×	102	6.9k
J Rask-Madsen Denmark	40	1.9k 1.1×	1.5k 1.1×	1.3k 1.0×	449 0.7×	1.2k 1.9×	126	5.4k
M S Losowsky United Kingdom	41	1.7k 1.0×	555 0.4×	1.6k 1.2×	407 0.6×	1.2k 1.9×	250	6.1k
C D Holdsworth United Kingdom	39	1.9k 1.1×	1.3k 1.0×	1.1k 0.9×	285 0.4×	1.3k 2.1×	98	4.9k
J. H. Baron United Kingdom	36	2.6k 1.5×	907 0.7×	958 0.8×	284 0.4×	1.3k 2.1×	143	4.4k
Claude Matuchansky France	33	1.8k 1.1×	875 0.7×	1.4k 1.1×	486 0.7×	1.5k 2.4×	136	5.0k
R. Stockbrügger Netherlands	36	1.5k 0.9×	1.2k 0.9×	1.1k 0.9×	319 0.5×	834 1.3×	101	3.6k
M. Miglioli Italy	34	1.8k 1.1×	856 0.7×	989 0.8×	272 0.4×	873 1.4×	142	3.4k
Robin Russell United Kingdom	39	2.8k 1.7×	541 0.4×	906 0.7×	187 0.3×	780 1.2×	200	5.8k
Norton J. Greenberger United States	30	950 0.6×	723 0.6×	843 0.7×	246 0.4×	256 0.4×	86	3.0k

Countries citing papers authored by Fred Kern

Since Specialization

Citations

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

Fields of papers citing papers by Fred Kern

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Fred Kern. 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 Fred Kern. The network helps show where Fred Kern may publish in the future.

Co-authorship network of co-authors of Fred Kern

This figure shows the co-authorship network connecting the top 25 collaborators of Fred Kern. A scholar is included among the top collaborators of Fred Kern 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 Fred Kern. Fred Kern 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

1.

Kern, Fred. (1991). Normal Plasma Cholesterol in an 88-Year-Old Man Who Eats 25 Eggs a Day. New England Journal of Medicine. 324(13). 896–899. 96 indexed citations

2.

Zuckerman, Gary R., Richard W. Welch, Adrian P. Douglas, et al.. (1984). Controlled trial of medical therapy for active upper gastrointestinal bleeding and prevention of rebleeding. The American Journal of Medicine. 76(3). 361–366. 45 indexed citations

3.

Everson, Gregory T., C McKinley, Michael J. Lawson, Michael L. Johnson, & Fred Kern. (1982). Gallbladder function in the human female: Effect of the ovulatory cycle, pregnancy, and contraceptive steroids. Gastroenterology. 82(4). 711–719. 189 indexed citations

4.

Braverman, D Z, Michael L. Johnson, & Fred Kern. (1980). Effects of Pregnancy and Contraceptive Steroids on Gallbladder Function. New England Journal of Medicine. 302(7). 362–364. 239 indexed citations

5.

Everson, Gregory T., D Z Braverman, Michael L. Johnson, & Fred Kern. (1980). A critical evaluation of real-time ultrasonography for the study of gallbladder volume and contraction. Gastroenterology. 79(1). 40–46. 314 indexed citations

6.

Summers, Robert W., Donald M. Switz, John T. Sessions, et al.. (1979). National Cooperative Crohn's Disease Study: Results of drug treatment. Gastroenterology. 77(4). 847–869. 910 indexed citations breakdown →

7.

Kern, Fred, et al.. (1978). Binding of bile acids by dietary fiber. American Journal of Clinical Nutrition. 31(10). S175–S179. 40 indexed citations

8.

Roller, Richard J. & Fred Kern. (1977). Minimal Bile Acid Malabsorption and Normal Bile Acid Breath Tests in Cystic Fibrosis and Acquired Pancreatic Insufficiency. Gastroenterology. 72(4). 661–665. 27 indexed citations

9.

Davis, Roger J., et al.. (1975). A simple method for trapping and measuring expired14CO2. Analytical Biochemistry. 64(1). 281–283. 2 indexed citations

10.

Mallory, Andrew, Dwayne C. Savage, Fred Kern, & James G.W. Smith. (1973). Patterns of Bile Acids and Microflora in the Human Small Intestine. Gastroenterology. 64(1). 34–42. 31 indexed citations

11.

Gordon, Stuart G., et al.. (1970). Formation of fatty acid ethyl esters during lipid extraction and storage: an important artifact. Biochimica et Biophysica Acta (BBA) - Lipids and Lipid Metabolism. 218(2). 366–368. 23 indexed citations

12.

Kern, Fred. (1968). Book Review. Gastroenterology. 54(4). 679–679. 3 indexed citations

13.

Kern, Fred & Bengt Borgström. (1965). The Effect of a Conjugated Bile Salt on Oleic Acid Absorption in the Rat. Gastroenterology. 49(6). 623–631. 14 indexed citations

14.

Kern, Fred, et al.. (1963). Biliary Cirrhosis in a Patient with Chronic Ulcerative Colitis. Gastroenterology. 45(4). 529–534. 14 indexed citations

15.

Struthers, J. K., et al.. (1963). PERITONITIS AFTER JEJUNAL BIOPSY WITH CROSBY CAPSULE. The Lancet. 281(7278). 447–447. 11 indexed citations

16.

Kern, Fred, et al.. (1963). Serum 5-Nucleotidase and Pericholangitis in Patients with Chronic Ulcerative Colitis. Gastroenterology. 45(4). 492–498. 25 indexed citations

17.

Kern, Fred, et al.. (1962). Malabsorption and the Diarrhea of Diabetes Mellitus. Gastroenterology. 43(5). 507–520. 38 indexed citations

18.

Kern, Fred, Thomas P. Almy, & Marvin H. Sleisenger. (1954). THE ACTION OF AUTONOMIC DRUGS UPON THE HUMAN COLON. Annals of the New York Academy of Sciences. 58(4). 336–344. 5 indexed citations

19.

Kern, Fred & Thomas P. Almy. (1952). THE EFFECTS OF ACETYLCHOLINE AND METHACHOLINE UPON THE HUMAN COLON 1. Journal of Clinical Investigation. 31(6). 555–560. 30 indexed citations

20.

Kern, Fred, Thomas P. Almy, Frank K. Abbot, & Morton D. Bogdonoff. (1951). The Motility of the Distal Colon in Non-Specific Ulcerative Colitis. Gastroenterology. 19(3). 492–503. 153 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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