Ghassan B. Hamra

4.3k total citations · 2 hit papers
54 papers, 2.7k citations indexed

About

Ghassan B. Hamra is a scholar working on Health, Toxicology and Mutagenesis, Radiology, Nuclear Medicine and Imaging and Statistics and Probability. According to data from OpenAlex, Ghassan B. Hamra has authored 54 papers receiving a total of 2.7k indexed citations (citations by other indexed papers that have themselves been cited), including 21 papers in Health, Toxicology and Mutagenesis, 11 papers in Radiology, Nuclear Medicine and Imaging and 10 papers in Statistics and Probability. Recurrent topics in Ghassan B. Hamra's work include Air Quality and Health Impacts (11 papers), Radiation Dose and Imaging (11 papers) and Statistical Methods and Bayesian Inference (9 papers). Ghassan B. Hamra is often cited by papers focused on Air Quality and Health Impacts (11 papers), Radiation Dose and Imaging (11 papers) and Statistical Methods and Bayesian Inference (9 papers). Ghassan B. Hamra collaborates with scholars based in United States, France and United Kingdom. Ghassan B. Hamra's co-authors include Dana Loomis, Francine Laden, Ole Raaschou‐Nielsen, Aaron Cohen, David B. Richardson, Francesco Forastiere, Paulo Hilário Nascimento Saldiva, Jonathan M. Samet, Takashi Yorifuji and Paolo Vineis and has published in prestigious journals such as PLoS ONE, Scientific Reports and American Journal of Epidemiology.

In The Last Decade

Ghassan B. Hamra

51 papers receiving 2.7k citations

Hit Papers

2 papers align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Outdoor Particulate Matter Exposure and Lung Cancer: A Systematic Review and Meta-Analysis

2014 786 citations Ghassan B. Hamra, Neela Guha et al. Environmental Health Perspectives profile →
Risk of cancer from occupational exposure to ionising radiation: retrospective cohort study of workers in France, the United Kingdom, and the United States (INWORKS)

2015 257 citations David B. Richardson, Elisabeth Cardis et al. BMJ profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Ghassan B. Hamra United States	20	1.3k	637	384	332	283	54	2.7k
Jacqueline Clavel France	44	1.4k 1.1×	352 0.6×	425 1.1×	211 0.6×	241 0.9×	177	6.0k
Núria Aragonés Spain	35	1.3k 1.0×	197 0.3×	518 1.3×	143 0.4×	146 0.5×	156	4.0k
Frank de Vocht United Kingdom	34	719 0.6×	446 0.7×	191 0.5×	123 0.4×	151 0.5×	214	3.7k
Claudia Spix Germany	32	3.0k 2.4×	290 0.5×	601 1.6×	742 2.2×	94 0.3×	133	5.7k
Martie van Tongeren United Kingdom	38	2.2k 1.7×	309 0.5×	1.5k 3.9×	228 0.7×	541 1.9×	260	5.5k
Per Gustavsson Sweden	37	2.6k 2.1×	199 0.3×	947 2.5×	389 1.2×	232 0.8×	144	5.2k
Gonzalo López‐Abente Spain	39	1.7k 1.3×	250 0.4×	699 1.8×	170 0.5×	237 0.8×	177	5.5k
Sara De Matteis Italy	26	1.5k 1.2×	98 0.2×	898 2.3×	299 0.9×	88 0.3×	106	3.1k
H-Erich Wichmann Germany	34	2.6k 2.1×	140 0.2×	354 0.9×	612 1.8×	133 0.5×	76	4.1k
Murray M. Finkelstein Canada	31	2.1k 1.6×	160 0.3×	805 2.1×	503 1.5×	148 0.5×	96	3.4k

Countries citing papers authored by Ghassan B. Hamra

Since Specialization

Citations

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

Fields of papers citing papers by Ghassan B. Hamra

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Ghassan B. Hamra. 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 Ghassan B. Hamra. The network helps show where Ghassan B. Hamra may publish in the future.

Co-authorship network of co-authors of Ghassan B. Hamra

This figure shows the co-authorship network connecting the top 25 collaborators of Ghassan B. Hamra. A scholar is included among the top collaborators of Ghassan B. Hamra 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 Ghassan B. Hamra. Ghassan B. Hamra is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Hamra, Ghassan B., et al.. (2025). Advancing Reproducible Research Through Version Control Technology. Epidemiology. 36(3). 344–349.

Parks, Christine G., Ghassan B. Hamra, Karen H. Costenbader, et al.. (2025). Associations of Specific Pesticides and Incident Rheumatoid Arthritis Among Female Spouses in the Agricultural Health Study. Arthritis & Rheumatology. 78(1). 49–58.

Yu, Xinchun, John Dou, Heather E. Volk, et al.. (2024). Prenatal Metal Exposures and Child Social Responsiveness Scale Scores in 2 Prospective Studies. Environmental Health Insights. 18. 4 indexed citations

Trasande, Leonardo, Morgan E. Nelson, Akram N. Alshawabkeh, et al.. (2023). Prenatal Phenol and Paraben Exposures and Adverse Birth Outcomes: A Prospective Analysis of U.S. Births. Environment International. 183. 108378–108378. 19 indexed citations

Herbstman, Julie B., Megan E. Romano, Lisa P. Jacobson, et al.. (2023). Characterizing changes in behaviors associated with chemical exposures during the COVID-19 pandemic. PLoS ONE. 18(1). e0277679–e0277679. 3 indexed citations

Newschaffer, Craig J., Melissa Eliot, Ghassan B. Hamra, et al.. (2021). Gestational Exposure to Phthalates and Social Responsiveness Scores in Children Using Quantile Regression: The EARLI and HOME Studies. International Journal of Environmental Research and Public Health. 18(3). 1254–1254. 29 indexed citations

Braun, Joseph M., Aimin Chen, Yingying Xu, et al.. (2020). The Association Between Maternal Prenatal Fish Intake and Child Autism-Related Traits in the EARLI and HOME Studies. Journal of Autism and Developmental Disorders. 51(2). 487–500. 14 indexed citations

Hamra, Ghassan B., Kristen Lyall, Gayle C. Windham, et al.. (2019). Prenatal Exposure to Endocrine-disrupting Chemicals in Relation to Autism Spectrum Disorder and Intellectual Disability. Epidemiology. 30(3). 418–426. 21 indexed citations

Hamra, Ghassan B. & Jessie P. Buckley. (2018). Environmental Exposure Mixtures: Questions and Methods to Address Them. Current Epidemiology Reports. 5(2). 160–165. 96 indexed citations

10.

Schinasi, Leah H. & Ghassan B. Hamra. (2017). A Time Series Analysis of Associations between Daily Temperature and Crime Events in Philadelphia, Pennsylvania. Journal of Urban Health. 94(6). 892–900. 46 indexed citations

11.

Leuraud, Klervi, David B. Richardson, Elisabeth Cardis, et al.. (2015). Ionising radiation and risk of death from leukaemia and lymphoma in radiation-monitored workers (INWORKS): an international cohort study. The Lancet Haematology. 2(7). e276–e281. 299 indexed citations

12.

Hamra, Ghassan B., David B. Richardson, Elisabeth Cardis, et al.. (2015). Cohort Profile: The International Nuclear Workers Study (INWORKS). International Journal of Epidemiology. 45(3). 693–699. 43 indexed citations

13.

Burstyn, Igor, Ghassan B. Hamra, & James M. Symons. (2015). Bayesian Approach to “Healthy Worker Hire Effect” in Standardized Mortality Ratio Analysis. Journal of Occupational and Environmental Medicine. 57(12). 1311–1314. 2 indexed citations

14.

Richardson, David B., Elisabeth Cardis, Robert D. Daniels, et al.. (2015). Risk of cancer from occupational exposure to ionising radiation: retrospective cohort study of workers in France, the United Kingdom, and the United States (INWORKS). BMJ. 351. h5359–h5359. 257 indexed citations breakdown →

15.

Hamra, Ghassan B., Neela Guha, Aaron Cohen, et al.. (2014). Outdoor Particulate Matter Exposure and Lung Cancer: A Systematic Review and Meta-Analysis. Environmental Health Perspectives. 122(9). 906–911. 786 indexed citations breakdown →

16.

Hamra, Ghassan B., Richard F. MacLehose, & Stephen R. Cole. (2013). Sensitivity Analyses for Sparse-Data Problems—Using Weakly Informative Bayesian Priors. Epidemiology. 24(2). 233–239. 26 indexed citations

17.

Hamra, Ghassan B., Richard F. MacLehose, & David B. Richardson. (2013). Markov Chain Monte Carlo: an introduction for epidemiologists. International Journal of Epidemiology. 42(2). 627–634. 155 indexed citations

18.

Hamra, Ghassan B., Richard C. Semelka, Lauren M. Burke, Virginia Pate, & M. Alan Brookhart. (2013). Trends in Diagnostic CT Among Fee-For-Service Enrollees, 2000-2011. Journal of the American College of Radiology. 11(2). 125–130. 11 indexed citations

19.

Chu, Haitao, et al.. (2012). Bayesian Posterior Distributions Without Markov Chains. American Journal of Epidemiology. 175(5). 368–375. 14 indexed citations

20.

Richardson, David B. & Ghassan B. Hamra. (2010). Ionizing Radiation and Kidney Cancer among Japanese Atomic Bomb Survivors. Radiation Research. 173(6). 837–842. 14 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.

Explore authors with similar magnitude of impact