This map shows the geographic impact of Douglas Simon'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 Douglas Simon with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Douglas Simon more than expected).
This network shows the impact of papers produced by Douglas Simon. 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 Douglas Simon. The network helps show where Douglas Simon may publish in the future.
Co-authorship network of co-authors of Douglas Simon
This figure shows the co-authorship network connecting the top 25 collaborators of Douglas Simon.
A scholar is included among the top collaborators of Douglas Simon 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 Douglas Simon. Douglas Simon is excluded from
the visualization to improve readability, since they are connected to all nodes in the network.
Tanowitz, Herbert B., Douglas Simon, Louis M. Weiss, et al.. (1996). GASTROINTESTINAL MANIFESTATIONS. Medical Clinics of North America. 80(6). 1395–1414.5 indexed citations
6.
Simon, Douglas, et al.. (1994). Esophageal motility in AIDS patients with symptomatic opportunistic infections of the esophagus.. PubMed. 89(11). 2003–5.14 indexed citations
7.
Simon, Douglas, et al.. (1994). Intestinal permeability in patients infected with the human immunodeficiency virus.. PubMed. 89(6). 878–82.26 indexed citations
8.
Schwartz, Joel, et al.. (1994). Clostridium difficile-associated diarrhea in patients with HIV positivity and AIDS: a prospective controlled study.. PubMed. 89(8). 1226–9.37 indexed citations
9.
Simon, Douglas. (1994). Microsporidia in HIV diarrhea: present but pathogenic?. PubMed. 89(4). 636–8.6 indexed citations
10.
Simon, Douglas, et al.. (1994). Studies on the pathogenesis of Cryptosporidia-induced diarrhea in HIV-infected individuals or, how does Cryptosporidia produce diarrhea?. PubMed. 89(12). 2277–8.1 indexed citations
Bonkovsky, Herbert L., et al.. (1991). A randomized, controlled trial of treatment of alcoholic hepatitis with parenteral nutrition and oxandrolone. II. Short-term effects on nitrogen metabolism, metabolic balance, and nutrition.. PubMed. 86(9). 1209–18.43 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.