Charles Ragan

4.5k total citations · 1 hit paper
59 papers, 1.8k citations indexed

About

Charles Ragan is a scholar working on Rheumatology, Endocrinology, Diabetes and Metabolism and Radiology, Nuclear Medicine and Imaging. According to data from OpenAlex, Charles Ragan has authored 59 papers receiving a total of 1.8k indexed citations (citations by other indexed papers that have themselves been cited), including 21 papers in Rheumatology, 11 papers in Endocrinology, Diabetes and Metabolism and 7 papers in Radiology, Nuclear Medicine and Imaging. Recurrent topics in Charles Ragan's work include Rheumatoid Arthritis Research and Therapies (16 papers), Adrenal Hormones and Disorders (10 papers) and Peripheral Neuropathies and Disorders (5 papers). Charles Ragan is often cited by papers focused on Rheumatoid Arthritis Research and Therapies (16 papers), Adrenal Hormones and Disorders (10 papers) and Peripheral Neuropathies and Disorders (5 papers). Charles Ragan collaborates with scholars based in United States, United Kingdom and Canada. Charles Ragan's co-authors include Charles M. Plotz, Abbie I. Knowlton, Ralph A. Jessar, Anne M. Briscoe, Ronald W. Lamont‐Havers, Baruch S. Blumberg, Felix E. Demartini, Margaret Bevans, Judith Nadell and Stanley L. Wallace and has published in prestigious journals such as Nature, JAMA and Journal of Clinical Investigation.

In The Last Decade

Charles Ragan

55 papers receiving 1.3k citations

Hit Papers

The natural history of cushing's syndrome 1952 2026 1976 2001 1952 100 200 300 400 500
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. The natural history of cushing's syndrome
    1952 567 citations Charles Ragan et al. The American Journal of Medicine profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Charles Ragan United States 19 621 518 354 187 166 59 1.8k
W. W. Buchanan United Kingdom 16 319 0.5× 208 0.4× 370 1.0× 711 3.8× 140 0.8× 40 1.5k
C Nagant de Deuxchaisnes Belgium 21 801 1.3× 202 0.4× 313 0.9× 127 0.7× 175 1.1× 79 2.3k
Wallace G. Campbell United States 25 175 0.3× 219 0.4× 429 1.2× 178 1.0× 320 1.9× 66 1.8k
H.K. Ibbertson New Zealand 23 229 0.4× 1.1k 2.0× 310 0.9× 142 0.8× 146 0.9× 59 2.4k
E B Hamilton United Kingdom 23 577 0.9× 63 0.1× 411 1.2× 125 0.7× 332 2.0× 59 1.7k
C. G. Barnes United Kingdom 18 614 1.0× 58 0.1× 146 0.4× 197 1.1× 194 1.2× 40 1.5k
Kermit E. Osserman United States 24 107 0.2× 318 0.6× 364 1.0× 82 0.4× 158 1.0× 49 2.1k
Yasuro Kumeda Japan 24 326 0.5× 909 1.8× 234 0.7× 104 0.6× 104 0.6× 57 1.9k
James L. McGuire United States 16 425 0.7× 260 0.5× 56 0.2× 91 0.5× 70 0.4× 22 1.1k
Patricia M. Crofton United Kingdom 28 120 0.2× 562 1.1× 296 0.8× 141 0.8× 147 0.9× 65 1.9k

Countries citing papers authored by Charles Ragan

Since Specialization
Citations

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

Fields of papers citing papers by Charles Ragan

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Charles Ragan

This figure shows the co-authorship network connecting the top 25 collaborators of Charles Ragan. A scholar is included among the top collaborators of Charles Ragan 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 Charles Ragan. Charles Ragan 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.
Martín, et al.. (2002). Effect of cartilage and other tissue suspensions on reparative processes of cortisone-treated animals.. PubMed. 32(5). 979–91. 1 indexed citations
2.
Ragan, Charles. (1967). ARE WE HEADED FOR A DARK AGE OF NONDISCOVERY IN THERAPEUTICS?. JAMA. 202(12). 1099–1099. 1 indexed citations
3.
Briscoe, Anne M. & Charles Ragan. (1966). Effect of Magnesium on Calcium Metabolism in Man. American Journal of Clinical Nutrition. 19(5). 296–306. 32 indexed citations
4.
Briscoe, Anne M. & Charles Ragan. (1965). Dissimilar distribution of calcium isotopes in blood serum and urine. Journal of Applied Physiology. 20(3). 453–458. 12 indexed citations
5.
Ragan, Charles & Anne M. Briscoe. (1964). Effect of Exercise on the Metabolism of40Calcium and of47Calcium in Man. The Journal of Clinical Endocrinology & Metabolism. 24(5). 385–392. 12 indexed citations
6.
Ragan, Charles. (1959). Remarks on the present state of the rheumatoid arthritis problem. The American Journal of Medicine. 26(5). 797–800. 4 indexed citations
7.
Ragan, Charles. (1959). Role of Hypersensitivity in the Pathogenesis of Rheumatoid Arthritis. Heberden Oration, 1958. Annals of the Rheumatic Diseases. 18(1). 1–7. 18 indexed citations
8.
Ragan, Charles, et al.. (1957). Some aspects of juvenile rheumatoid arthritis.. PubMed. 8(3). 147–8. 30 indexed citations
9.
Johnson, Margaret, et al.. (1956). Observations on a Precipitin Reaction Between Serum of Patients with Rheumatoid Arthritis and a Preparation (Cohn Fraction II) of Human Gamma Globulin.. Experimental Biology and Medicine. 91(2). 235–237. 87 indexed citations
10.
Ragan, Charles. (1956). The Management of Rheumatoid Arthritis. Postgraduate Medicine. 19(3). 248–252. 1 indexed citations
11.
Ragan, Charles, et al.. (1955). Rheumatoid arthritis. Disease-a-Month. 1(11). 2–51. 3 indexed citations
12.
Ragan, Charles. (1955). The present-day management of arthritis. Journal of Chronic Diseases. 1(3). 253–265. 3 indexed citations
13.
Bevans, Margaret, Judith Nadell, Felix E. Demartini, & Charles Ragan. (1954). The systemic lesions of malignant rheumatoid arthritis. The American Journal of Medicine. 16(2). 197–211. 121 indexed citations
14.
Ragan, Charles. (1953). Corticotropin, cortisone and related steroids in clinical medicine; practical considerations.. PubMed. 29(5). 355–76. 17 indexed citations
15.
Ragan, Charles. (1953). Keeping the patient with rheumatoid arthritis employable.. PubMed. 22(7). 309–11. 3 indexed citations
16.
Tyson, Terence L., Walter A. L. Thompson, & Charles Ragan. (1953). Marie-Strümpell Spondylitis in Women. Annals of the Rheumatic Diseases. 12(1). 40–42. 35 indexed citations
17.
Ragan, Charles. (1952). Experiences with adrenocorticotropic hormone (ACTH) and cortisone.. PubMed. 5. 372–97. 4 indexed citations
18.
Ragan, Charles. (1952). The Physiology of the Connective Tissue (Loose Areolar). Annual Review of Physiology. 14(1). 51–72. 20 indexed citations
19.
Perera, George A., Charles Ragan, & S. C. Werner. (1951). Clinical and Metabolic Study of 17-Hydroxycorticosterone (Kendall Compound F); Comparison with Cortisone.. Experimental Biology and Medicine. 77(2). 326–330. 14 indexed citations
20.
Ragan, Charles, et al.. (1951). Difficulties and complications in the therapeutic use of ACTH and adrenocortical steroids in the rheumatic diseases. Discussion.. PubMed. 10(4). 494–500. 1 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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