1. A dictionary of epidemiology, 3.a ed;Last,1995
2. Diversity of the HIV/AIDS epidemic in Europe;Hammers;AIDS,1998
3. European Centre for the Epidemiological Monitoring of AIDS;HIV reporting: first results HIV/AIDS Surveillance in Europe, Half-yearly Report,1999
4. Sida o infección por VIH?;Casabona;Implicaciones sanitarias [editorial]. Med Clin (Barc),1999
5. Impact of antirretroviral combination therapies on AIDS surveillance reports in Switzerland. Swiss HIV Cohort Study;Gebhardt;AIDS,1998