I. Yap

1.2k citations
50 papers · 916 indexed · h-index 18
    • Gastroesophageal reflux and treatments 6
    • Gastrointestinal motility and disorders 6
  • Hepatology top 5%
    • Hepatitis C virus research 11
  • Epidemiology top 10%
    • Hepatitis B Virus Studies 17
    • Liver Disease Diagnosis and Treatment 8
  • Surgery top 10%
    • Helicobacter pylori-related gastroenterology studies 16
    • Eosinophilic Esophagitis 4
    • Immunotherapy and Immune Responses 5

I. Yap

50 papers receiving 866 citations

Peers

I. Yap
Comparison fields: 5 of 90
  • Gastroenterology 271
  • Hepatology 273
  • Sensory Systems 64
  • Epidemiology 332
  • Surgery 371
Replace R Guan with:
R Guan Singapore
Ulrich Böcker Germany
Anna Kohn Italy
H. Seidl Germany
Lani Prideaux Australia
Rinze W. F. ter Steege Netherlands
Laura Lega Italy
Ayşe Palandüz Türkiye
Matthew Shale United Kingdom
David L. Cahall United States
I. Yap relative to R Guan Singapore R Guan's profile →
Citations per field
00.5×1.5×
R Guan · 1×
Citations per year

Countries citing papers authored by I. Yap

Since Specialization
Citations

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

Fields of papers citing papers by I. Yap

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network

The 25 scholars most cited alongside I. Yap, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with I. Yap Line = papers co-authored together I. Yap links everyone, so they are left out of the graph.

All Works

20 of 20 papers shown
#Work
1 19964
2 19968
3 199569
4 19953
5 199543
6 199423
7 19945
8 199356
9 19916
10 199111
11 199112
12 199048
13 19901
14 19905
15 19901
16 198968
17 19896
18 19884
19 198727
20 198624

About I. Yap

I. Yap is a scholar working on Gastroenterology, Hepatology, Epidemiology, Surgery and Complementary and Manual Therapy, having authored 50 papers that have together received 916 indexed citations. Recurring topics across this work include Hepatitis B Virus Studies (17 papers), Helicobacter pylori-related gastroenterology studies (16 papers), Hepatitis C virus research (11 papers), Liver Disease Diagnosis and Treatment (8 papers), Gastroesophageal reflux and treatments (6 papers), Gastrointestinal motility and disorders (6 papers), Immunotherapy and Immune Responses (5 papers) and Eosinophilic Esophagitis (4 papers). The work is most often cited by research in Gastroenterology (271 citations), Hepatology (273 citations), Sensory Systems (64 citations), Epidemiology (332 citations) and Surgery (371 citations). I. Yap has collaborated with scholars based in Singapore, United Kingdom and Australia. Frequent co-authors include R Guan, Jin Yong Kang, H H Tay, S.H. Chan, Aileen Wee, A Wee, Khay Guan Yeoh, H. C. Thomas, Andrew Lever and Chorh Chuan Tan. Their work appears in journals such as Journal of Gastroenterology and Hepatology, Gut, Journal of Clinical Gastroenterology, Alimentary Pharmacology & Therapeutics and Transactions of the Royal Society of Tropical Medicine and Hygiene.

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

Rankless by CCL
2026