Journal Article

A bibliometric analysis of scientific production in cancer molecular epidemiology

Donatella Ugolini, Riccardo Puntoni, Frederica P. Perera, Paul A. Schulte and Stefano Bonassi

in Carcinogenesis

Volume 28, issue 8, pages 1774-1779
Published in print August 2007 | ISSN: 0143-3334
Published online June 2007 | e-ISSN: 1460-2180 | DOI:
A bibliometric analysis of scientific production in cancer molecular epidemiology

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Objectives: The main purpose of this research was to compare the scientific production in the field of cancer molecular epidemiology among countries and to evaluate the publication trend between 1995 and 2004. Methods: A bibliometric study was carried out searching the PubMed database with a combined search strategy based on the keywords listed in the medical subject headings and a free text search. Only articles from a representative subset of 92 journals—accounting for 80% of papers identified—were selected for the analysis, and the resulting 13 240 abstracts were manually checked according to a list of basic inclusion criteria. The study evaluated the number of publications and the impact factor (mean and sum), absolute and normalized by country population and gross domestic product. Results: A total of 3842 citations were finally selected for the analysis. Thirty-seven percent came from the European Union (UK, Germany, Italy, France and Sweden ranking at the top), 31.6% from USA and 9.7% from Japan. The highest mean impact factor was reported for Canada (6.3), USA (5.9), Finland (5.8) and UK (5.2). Finland, Sweden and Israel had the best ratio between scientific production and available resources. ‘Genetic polymorphism, glutathione transferase, breast neoplasm, risk factors, case–control studies and polymerase chain reaction’ were the most used keywords in each of the subgroups evaluated, although inclusion criteria may have privileged studies dealing with exogenous carcinogens. Conclusion: Cancer molecular epidemiology is an expanding area attracting an increasing interest. The identification of an operative definition is a necessary condition to give to this discipline a unique scientific identity.

Journal Article.  3885 words.  Illustrated.

Subjects: Clinical Cytogenetics and Molecular Genetics

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