George Davey Smith: h-index, Total Citations, and Citation Map
George Davey Smith's h-index is 306 (1936 i10-index, 487,248+ total citations across 1,008+ publications) according to Google Scholar as of June 2026. George Davey Smith is affiliated with Medical Research Council Integrative Epidemiology Unit, University of Bristol, Bristol.
George Davey Smith is a researcher affiliated with Medical Research Council Integrative Epidemiology Unit, University of Bristol, Bristol, specializing in Genetics, epidemiology. Their work has been cited 487,248 times. This profile visualizes their global influence, highlighting strong citation networks in United States.
George Davey Smith's Citation Metrics
Bibliometric impact based on 1,008 indexed publications.
- H-Index
- 306
- i10-Index
- 1936
- Total Citations
- 487,248
- Citing Countries
- 53
As of June 2026.
George Davey Smith has an h-index of 306 and 487,248 total citations across 1008 publications, with research cited by institutions in 53 countries.
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We've mapped 5,000 of 487,248 citations for George Davey Smith
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Global Impact Map
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Bias in meta-analysis detected by a simple, graphical test
199758,308
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.
4 citing papers could not be classified (no author data) — excluded from the percentages above.
The researcher developed a simple graphical test to detect bias in meta-analysis, a seminal contribution published in the BMJ that has garnered over 57,000 citations.
The researcher developed a weighted median estimator for Mendelian randomization that ensures consistent estimation even when some genetic instruments are invalid.
The researcher pioneered the application of Mendelian randomization to elucidate environmental determinants of disease, establishing a foundational framework for genetic epidemiology.
Citation trend (last 10 years)Click to expand
Citation Trend (Last 10 Years)
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About George Davey Smith's research
George Davey Smith is a researcher in Genetics and epidemiology at Medical Research Council Integrative Epidemiology Unit, University of Bristol, Bristol. Their work has been cited 487,248 times across 1,008 publications (h-index 306), according to Google Scholar.
Their most-cited work, “Bias in meta-analysis detected by a simple, graphical test” (1997), has accumulated 58,308 citations. Other influential works include “Mendelian randomization with invalid instruments: effect estimation and bias detection through Egger regression” (2015) with 9,975 citations and “Consistent estimation in Mendelian randomization with some invalid instruments using a weighted median estimator” (2016) with 9,053 citations.
Citations of George Davey Smith's research come primarily from United States, China 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.











