R Guan

1.6k total citations
52 papers, 1.3k citations indexed

About

R Guan is a scholar working on Surgery, Epidemiology and Hepatology. According to data from OpenAlex, R Guan has authored 52 papers receiving a total of 1.3k indexed citations (citations by other indexed papers that have themselves been cited), including 25 papers in Surgery, 24 papers in Epidemiology and 20 papers in Hepatology. Recurrent topics in R Guan's work include Hepatitis B Virus Studies (21 papers), Helicobacter pylori-related gastroenterology studies (18 papers) and Hepatitis C virus research (15 papers). R Guan is often cited by papers focused on Hepatitis B Virus Studies (21 papers), Helicobacter pylori-related gastroenterology studies (18 papers) and Hepatitis C virus research (15 papers). R Guan collaborates with scholars based in Singapore, Malaysia and Australia. R Guan's co-authors include I. Yap, Jin Yong Kang, H H Tay, Laurentius Lesmana, S.H. Chan, Khay Guan Yeoh, Aileen Wee, Jose D. Sollano, Anuchit Chutaputti and I Merican and has published in prestigious journals such as Gastroenterology, Gut and Frontiers in Psychology.

In The Last Decade

R Guan

50 papers receiving 1.3k citations

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
R Guan Singapore 19 623 508 473 348 124 52 1.3k
I. Yap Singapore 18 332 0.5× 273 0.5× 371 0.8× 271 0.8× 90 0.7× 50 916
Wolfgang Petritsch Austria 27 911 1.5× 134 0.3× 638 1.3× 374 1.1× 130 1.0× 86 2.2k
V Mani United Kingdom 17 826 1.3× 97 0.2× 481 1.0× 162 0.5× 43 0.3× 26 1.6k
M R Jacyna United Kingdom 21 1.5k 2.4× 1.2k 2.4× 475 1.0× 291 0.8× 141 1.1× 54 2.5k
Nasser Ebrahimi Daryani Iran 16 311 0.5× 132 0.3× 218 0.5× 153 0.4× 71 0.6× 77 843
Carolina Palmela Portugal 14 471 0.8× 185 0.4× 375 0.8× 104 0.3× 145 1.2× 40 1.3k
H. Seidl Germany 16 314 0.5× 137 0.3× 189 0.4× 85 0.2× 33 0.3× 36 759
Satawat Thongsawat Thailand 22 2.4k 3.9× 2.2k 4.4× 246 0.5× 306 0.9× 67 0.5× 67 3.1k
Emanuel Burri Switzerland 17 286 0.5× 70 0.1× 321 0.7× 256 0.7× 109 0.9× 48 1000
Ulrich Böcker Germany 19 324 0.5× 85 0.2× 273 0.6× 110 0.3× 66 0.5× 36 1.2k

Countries citing papers authored by R Guan

Since Specialization
Citations

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

Fields of papers citing papers by R Guan

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of R Guan

This figure shows the co-authorship network connecting the top 25 collaborators of R Guan. A scholar is included among the top collaborators of R Guan 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 R Guan. R Guan 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.
Mao, Qi, et al.. (2025). Chinese ethnic dance therapy: cultural anthropology and health science perspectives on Tujia ethnic dances. Frontiers in Psychology. 16. 1561150–1561150.
2.
Merican, I, R Guan, Anuchit Chutaputti, et al.. (2000). Chronic hepatitis B virus infection in Asian countries. Journal of Gastroenterology and Hepatology. 15(12). 1356–1361. 426 indexed citations
3.
Guan, R, et al.. (1999). Peptic ulcer and gastritis in uraemia, with particular reference to the effect of Helicobacter pylori infection. Journal of Gastroenterology and Hepatology. 14(8). 771–778. 33 indexed citations
4.
Guan, R, et al.. (1997). Racial differences in Helicobacter pylori seroprevalence in Singapore: Correlation with differences in peptic ulcer frequency. Journal of Gastroenterology and Hepatology. 12(9-10). 655–659. 34 indexed citations
5.
Guan, R. (1996). Hepatitis B virus infection in Singapore.. Gut. 38(Suppl 2). S13–S17. 22 indexed citations
6.
Guan, R, et al.. (1996). Subcutaneously administered recombinant human β‐interferon in the treatment of chronic hepatitis B virus infection. Alimentary Pharmacology & Therapeutics. 10(5). 807–814. 4 indexed citations
7.
Yeoh, Khay Guan, Khek Yu Ho, R Guan, & Jin-Yong Kang. (1995). How Does Chili Cause Upper Gastrointestinal Symptoms?. Journal of Clinical Gastroenterology. 21(2). 87–90. 29 indexed citations
8.
Yeoh, Khay Guan, Jin Yong Kang, I. Yap, et al.. (1995). Chili protects against aspirin-induced gastroduodenal mucosal injury in humans. Digestive Diseases and Sciences. 40(3). 580–583. 69 indexed citations
9.
Guan, R, Khek Yu Ho, I. Yap, et al.. (1995). Treatment of hepatitis B surface antigen carriers in the early stage of the infection using recombinant alpha‐interferon with steroid priming. Alimentary Pharmacology & Therapeutics. 9(5). 535–540. 3 indexed citations
10.
Chng, H H, et al.. (1993). Hepatitis B virus infection in patients with systemic lupus erythematosus.. PubMed. 34(4). 325–6. 13 indexed citations
11.
Kang, Jin Yong, et al.. (1993). Low Frequency of Endoscopic Esophagitis in Asian Patients. Journal of Clinical Gastroenterology. 16(1). 70–73. 56 indexed citations
12.
Kang, Jin Yong, H H Tay, & R Guan. (1992). Chronic upper abdominal pain: site and radiation in various structural and functional disorders and the effect of various foods.. Gut. 33(6). 743–748. 44 indexed citations
13.
Guan, R, et al.. (1991). Horizontal or vertical transmission of hepatitis B virus? A serological survey in family members of hepatitis B carriers in Singapore. Transactions of the Royal Society of Tropical Medicine and Hygiene. 85(5). 656–659. 11 indexed citations
14.
Kang, Jin Yong, A Wee, R Guan, et al.. (1990). Helicobacter pylori and gastritis in patients with peptic ulcer and non-ulcer dyspepsia: ethnic differences in Singapore.. Gut. 31(8). 850–853. 48 indexed citations
15.
Kang, Jin Yong, et al.. (1990). Antibody to herpes simplex virus type 1 in peptic ulcer patients. Journal of Gastroenterology and Hepatology. 5(4). 387–390. 1 indexed citations
16.
Guan, R, H H Tay, I. Yap, Ryan C. Smith, & Lei Tan. (1990). The immune response of low dose recombinant DNA hepatitis B vaccine in teenagers in Singapore. Transactions of the Royal Society of Tropical Medicine and Hygiene. 84(5). 731–732. 5 indexed citations
17.
Goh, K. T., et al.. (1988). The prevalence of hepatitis B virus markers in dental personnel in Singapore. Transactions of the Royal Society of Tropical Medicine and Hygiene. 82(6). 908–910. 13 indexed citations
18.
Kang, Jin Yong, et al.. (1988). Dietary Supplementation with Pectin in the Maintenance Treatment of Duodenal Ulcer: A Controlled Study. Scandinavian Journal of Gastroenterology. 23(1). 95–99. 4 indexed citations
19.
Kang, Jin Yong, I. Yap, R Guan, & H H Tay. (1986). Acid perfusion of duodenal ulcer craters and ulcer pain: a controlled double blind study.. Gut. 27(8). 942–945. 24 indexed citations
20.
Ng, S. K., et al.. (1983). The use of one gram daily cimetidine in the treatment of peptic ulcer in Singapore.. PubMed. 12(4). 545–7. 2 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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