Scientific Publications in Gastroenterology and Hepatology in Western Europe, USA and Japan in the Years 1992–1996: A Global Survey

Abstract

Aim: To evaluate number and quality of publications in gastroenterology, hepatology and digestive endoscopy from Western Europe (Belgium, Denmark, France, Germany, Great Britain, Italy, the Netherlands, Spain, Sweden, Switzerland), Japan and USA over a recent 5-year period. Methods: We screened by computer for full liver/gastrointestinal-related articles and reviews the top 40% of journals (according to the annual rating of the SCI Journal Citation Reports; Institute for Scientific Information database) in most clinical and basic science disciplines in the years 1992–1996. To be credited with an article, a given country had to be the site of the first institution where the work was conducted. Papers were rated according to the impact factor of the Institute for Scientific Information and to the ratio impact factor/mean European impact factor. Data were also normalized for nondefense research and development expenditure. Results and Conclusions: As randomly tested, the computer search had an error of ± 5–10%. In Europe, Great Britain achieved the highest total impact factor and the highest number of papers. Most of the British impact factor came from publications in British journals. The total USA impact factor exceeded that of Europe by 20%. The average impact factor for a single paper was highest for the USA and, in Europe, for Germany. The temporal trend of total impact factor showed Spain improving by 9% per year, with Germany and Italy also displaying a substantial growth. Expressed per funds allocated in nondefense research and development, Great Britain and the USA had the highest cumulative impact factor.

Geographical distribution of publications in the field of medical education

“…It has been investigated for the members of the European Union [1], the USA [2], the Gulf Cooperation Council countries [3], Colombia [4], South Korea [5] and for a Turkish medical school [6]. The research output of individual [7] and selected countries [8,9] for single specialties, as well as the contribution of individual countries to selected journals [10] has also been reviewed. To the best of our knowledge such an investigation was not carried out in the field of medical education.…”

Türkiye’nin Science Citation Index kapsamındaki pediatrik kulak burun boğaz yayınları açısından Avrupa’daki yeri

“…Bu tip çalışmalar sırasında Medline, SCI, Scopus gibi çeşitli dizinlerin sağladığı verilerin analizinden yararlanıl-maktadır. [2,3,[7][8][9][10] Son yıllarda ülkemizden de çeşitli branşlarda uluslararası bilimsel literatüre yapılan katkıları analiz eden çalışmalar üretilmiştir. [11][12][13] Bibliyometrik çalışmalar, yazar, kurum, branş, ülke ya da bölgesel düzeyde bilim üretimine yönelik bilgi sağlarken, değerlendirilen düzeyde eğitim ya da araştırma alanındaki eksiklikleri ya da üstünlükleri ortaya koyabilir.…”

Medline-based bibliometric analysis of gastroenterology journals between 2001 and 2007

“…Researchers in this field usually have a stronger need for bibliographic information than those in other fields. In the past few years, several bibliometric researches have been devoted to the global research trend [1] , the research output in specific regions [2,3] and countries [4][5][6] , and the share of author origins in specific journals [7][8][9] in gastroenterology. However, there still seemed to be a lack of a comparative overview of all gastroenterology specialty journals in the world.…”