Henry D. Janowitz

10.9k total citations · 1 hit paper
218 papers, 7.3k citations indexed

About

Henry D. Janowitz is a scholar working on Surgery, Epidemiology and Genetics. According to data from OpenAlex, Henry D. Janowitz has authored 218 papers receiving a total of 7.3k indexed citations (citations by other indexed papers that have themselves been cited), including 92 papers in Surgery, 69 papers in Epidemiology and 59 papers in Genetics. Recurrent topics in Henry D. Janowitz's work include Inflammatory Bowel Disease (53 papers), Microscopic Colitis (39 papers) and Pancreatitis Pathology and Treatment (36 papers). Henry D. Janowitz is often cited by papers focused on Inflammatory Bowel Disease (53 papers), Microscopic Colitis (39 papers) and Pancreatitis Pathology and Treatment (36 papers). Henry D. Janowitz collaborates with scholars based in United States, Canada and United Kingdom. Henry D. Janowitz's co-authors include David B. Sachar, Adrian J. Greenstein, David A. Dreiling, Samuel Meyers, Arthur H. Aufses, Franklin Hollander, Daniel H. Present, Tomas M. Heimann, Walter P. Dyck and Harry Smith and has published in prestigious journals such as Nature, New England Journal of Medicine and The Lancet.

In The Last Decade

Henry D. Janowitz

205 papers receiving 6.3k citations

Hit Papers

THE EXTRA-INTESTINAL COMPLICATIONS OF CROHNʼS DISEASE AND... 1976 2026 1992 2009 1976 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. THE EXTRA-INTESTINAL COMPLICATIONS OF CROHNʼS DISEASE AND ULCERATIVE COLITIS: A STUDY OF 700 PATIENTS
    1976 848 citations Adrian J. Greenstein, Henry D. Janowitz et al. 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
Henry D. Janowitz United States 45 3.4k 3.3k 3.2k 774 642 218 7.3k
Joseph B. Kirsner United States 50 3.4k 1.0× 3.1k 0.9× 3.1k 1.0× 1.2k 1.6× 705 1.1× 321 7.5k
John W. Singleton United States 22 6.5k 1.9× 4.9k 1.5× 2.7k 0.8× 634 0.8× 412 0.6× 37 8.3k
V. S. Chadwick United Kingdom 41 1.5k 0.5× 1.6k 0.5× 2.2k 0.7× 1.2k 1.6× 673 1.0× 132 5.7k
W. T. Cooke United Kingdom 48 2.2k 0.6× 3.6k 1.1× 3.4k 1.1× 4.2k 5.4× 426 0.7× 163 8.5k
R. Caprilli Italy 40 2.8k 0.8× 2.1k 0.6× 2.2k 0.7× 680 0.9× 415 0.6× 132 5.4k
S. G. M. Meuwissen Netherlands 45 1.6k 0.5× 1.2k 0.4× 3.6k 1.1× 1.7k 2.1× 520 0.8× 142 7.4k
Morten H. Vatn Norway 49 4.8k 1.4× 4.2k 1.3× 2.9k 0.9× 1.1k 1.5× 1.9k 3.0× 157 8.8k
Harald Vogelsang Austria 45 2.9k 0.9× 3.4k 1.0× 3.0k 0.9× 2.3k 2.9× 333 0.5× 184 7.1k
Miquel Sans Spain 39 3.2k 0.9× 2.2k 0.7× 1.8k 0.5× 397 0.5× 635 1.0× 109 6.0k
C D Holdsworth United Kingdom 39 1.3k 0.4× 1.1k 0.3× 1.9k 0.6× 1.3k 1.7× 285 0.4× 98 4.9k

Countries citing papers authored by Henry D. Janowitz

Since Specialization
Citations

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

Fields of papers citing papers by Henry D. Janowitz

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Henry D. Janowitz. 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 Henry D. Janowitz. The network helps show where Henry D. Janowitz may publish in the future.

Co-authorship network of co-authors of Henry D. Janowitz

This figure shows the co-authorship network connecting the top 25 collaborators of Henry D. Janowitz. A scholar is included among the top collaborators of Henry D. Janowitz 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 Henry D. Janowitz. Henry D. Janowitz 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.
Janowitz, Henry D., et al.. (2009). Laparoscopic abomasopexy of different abomasum displacement conditions (left displaced abomasum, non-displaced abomasum, right displaced abomasum with or without torsion).. Large animals review. 15(6). 273–274. 2 indexed citations
2.
Janowitz, Henry D. & Carol Bodian. (2001). The Placebo Response and the “Natural History” of Inflammatory Bowel Disease. Inflammatory Bowel Diseases. 7(1). 64–66. 2 indexed citations
3.
Janowitz, Henry D.. (1997). A Decade's Experience With a Preceptorship. Journal of Clinical Gastroenterology. 25(4). 659–662. 2 indexed citations
4.
Fiel, Maria Isabel, et al.. (1996). Celiac Sprue, Idiopathic Thrombocytopenic Purpura, and Hepatic Granulomatous Disease. Journal of Clinical Gastroenterology. 23(3). 214–216. 11 indexed citations
5.
Benkov, Keith, et al.. (1994). Cyclosporine as an Alternative to Surgery in Children with Inflammatory Bowel Disease. Journal of Pediatric Gastroenterology and Nutrition. 19(3). 290–294. 31 indexed citations
6.
Benkov, Keith, et al.. (1994). Cyclosporine as an Alternative to Surgery in Children with Inflammatory Bowel Disease. Journal of Pediatric Gastroenterology and Nutrition. 19(3). 290–294. 5 indexed citations
7.
Aisenberg, James & Henry D. Janowitz. (1993). Cluster of Inflammatory Bowel Disease in Three Close College Friends?. Journal of Clinical Gastroenterology. 17(1). 18–20. 25 indexed citations
8.
Salomon, Peter, Asher Kornbluth, & Henry D. Janowitz. (1990). Treatment of Ulcerative Colitis with Fish Oil n-3-ω-Fatty Acid. Journal of Clinical Gastroenterology. 12(2). 157–161. 108 indexed citations
9.
Greenstein, Adrian J., et al.. (1988). Perforating and non-perforating indications for repeated operations in Crohn's disease: evidence for two clinical forms.. Gut. 29(5). 588–592. 304 indexed citations
10.
Shlien, R, et al.. (1988). Fulminant herpes simplex hepatitis in a patient with ulcerative colitis.. Gut. 29(2). 257–261. 36 indexed citations
11.
12.
Meyers, Samuel, et al.. (1988). Fecal ??1 -Antitrypsin as a Measure of Crohn??s Disease Activity. Journal of Clinical Gastroenterology. 10(5). 491–497. 10 indexed citations
13.
Meyers, Samuel, David B. Sachar, Daniel H. Present, & Henry D. Janowitz. (1987). Olsalazine sodium in the treatment of ulcerative colitis among patients intolerant of sulfasalazine. Gastroenterology. 93(6). 1255–1262. 13 indexed citations
14.
Sachar, David B., et al.. (1984). Loss of suppressor T-cells in active inflammatory bowel disease.. Gut. 25(7). 743–747. 21 indexed citations
15.
Meyers, Sanford M., Steven Dikman, Harry Spiera, Nikolaus Schultz, & Henry D. Janowitz. (1981). Cutaneous vasculitis complicating coeliac disease.. Gut. 22(1). 61–64. 48 indexed citations
16.
Sachar, David B., et al.. (1978). Significance of anergy to dinitrochlorobenzene (DNCB) in inflammatory bowel disease: family and postoperative studies.. Gut. 19(4). 249–252. 13 indexed citations
17.
Greenstein, Adrian J., Henry D. Janowitz, & David B. Sachar. (1976). THE EXTRA-INTESTINAL COMPLICATIONS OF CROHNʼS DISEASE AND ULCERATIVE COLITIS: A STUDY OF 700 PATIENTS. Medicine. 55(5). 401–412. 848 indexed citations breakdown →
18.
Taub, R. N., et al.. (1976). Anergy to dinitrochlorobenzene and depression of T-lymphocytes in Crohn's disease and ulcerative colitis.. Gut. 17(11). 911–915. 48 indexed citations
19.
Friedman, Gerald, et al.. (1962). A Screening Method for the Assessment of Appetite Suppressants. American Journal of Clinical Nutrition. 10(3). 225–230. 3 indexed citations
20.
Gelb, Alvin M., Ivan D. Baronofsky, & Henry D. Janowitz. (1961). The effect of vagotomy and pyloroplasty on the maximal acid response to histamine. Gut. 2(3). 240–245. 40 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.

Explore authors with similar magnitude of impact

Breakdown of academic impact, for papers by Joseph B. Kirsner Breakdown of academic impact, for papers by John W. Singleton Breakdown of academic impact, for papers by V. S. Chadwick Breakdown of academic impact, for papers by W. T. Cooke Breakdown of academic impact, for papers by R. Caprilli Breakdown of academic impact, for papers by S. G. M. Meuwissen Breakdown of academic impact, for papers by Morten H. Vatn Breakdown of academic impact, for papers by Harald Vogelsang Breakdown of academic impact, for papers by Miquel Sans Breakdown of academic impact, for papers by C D Holdsworth
Rankless by CCL
2026