Daniel Leffler: h-index, Total Citations, and Citation Map
Daniel Leffler's h-index is 72 (181 i10-index, 26,224+ total citations across 5+ publications) according to Google Scholar as of June 2026. Daniel Leffler is affiliated with Unknown affiliation.
Daniel Leffler is a researcher affiliated with Unknown affiliation, specializing in celiac disease, gastrointestinal disorders. Their work has been cited 26,224 times. This profile visualizes their global influence, highlighting strong citation networks in United States.
Daniel Leffler's Citation Metrics
Bibliometric impact based on 5 indexed publications. Of these, 3 are original research articles — the rest are literature highlights, conference abstracts or theses.
- H-Index
- 72
- i10-Index
- 181
- Total Citations
- 26,224
- Citing Countries
- 34
As of June 2026.
Daniel Leffler has an h-index of 72 and 26,224 total citations across 5 publications, with research cited by institutions in 34 countries.
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We've mapped 5,000 of 26,224 citations for Daniel Leffler
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Global Impact Map
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The Oslo definitions for coeliac disease and related terms
20132,518
Top Citing Countries
Top Citing Institutions
Visa Evidence Package
Views and exports tuned for EB-1A, O-1A, and EB-2 NIW petitions. Sustained acclaim, geographic reach, and independent-citation filtering are the strongest evidence categories immigration adjudicators look for.
Significant Contributions
Auto-detected research lines — a seminal paper and the follow-up work building on it. Review and edit before using in a petition. Each Free PDF opens in a new tab — EB-1A organises this into the structure USCIS applies to Criterion 5 of 8 CFR § 204.5(h)(3)(v); EB-1B re-frames it under § 204.5(i)(3) (outstanding researcher); NIW presents it under prong 2 of Matter of Dhanasar.
The researcher established the Oslo definitions for coeliac disease, creating a standardized diagnostic framework that subsequent clinical guidelines adopted to unify global practice.
The researcher produced a seminal, highly cited work on Clostridium difficile infection that established a foundational reference point for independent researchers in the field.
The researcher established a definitive global prevalence estimate for celiac disease through a seminal systematic review and meta-analysis published in a leading gastroenterology journal.
Citation trend (last 10 years)Click to expand
Citation Trend (Last 10 Years)
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About Daniel Leffler's research
Daniel Leffler is a researcher in celiac disease and gastrointestinal disorders at Unknown affiliation. Their work has been cited 26,224 times across 5 publications (h-index 72), according to Google Scholar.
Their most-cited work, “The Oslo definitions for coeliac disease and related terms” (2013), has accumulated 2,518 citations. Other influential works include “Global prevalence of celiac disease: Systematic review and meta-analysis” (2018) with 2,066 citations and “Clostridium difficile Infection” (2015) with 1,753 citations.
Citations of Daniel Leffler's research come primarily from United States, Italy and United Kingdom, reflecting international research impact across 5+ countries. The interactive citation map above shows the full geographic distribution of the institutions citing this work.
