Now showing items 1-3 of 3

  • Helicobacter pylori infection and respiratory diseases: A review 

    Roussos, A.; Philippou, N.; Gourgoulianis, K. I. (2003)
    In the past few years, a variety of extradigestive disorders, including cardiovascular, skin, rheumatic and liver diseases, have been associated with Helicobacter pylori (H. pylori) infection. The activation of inflammatory ...
  • The impact factor of scientific journals by broad category 

    Skalkidis, E.; Germenis, A. E.; Patsopoulos, N.; Trichopoulos, D. (2003)
    In this paper, we firstly describe the history, the calculation, the bibliometric use and the restrictions that must be kept in mind when journals' impact factors (IF) are used as a measure of the quality of research. ...
  • The impact of Greek publications on the international literature by scientific category 

    Skalkidis, I.; Germenis, A. E.; Patsopoulos, N.; Trichopoulos, D. (2004)
    OBJECTIVE: To investigate the penetration of Greek publications in the international literature by scientific category. METHOD: We used the publications database of the Institute for Scientific Information® (ISI), the ...