Gelijkaardige items: Aids prevention in Switzerland.
- Community oriented prevention of AIDS and addiction : experiences in Europe /
- HIV prevention : what young gay and bisexual men state in needed : original research report /
- Education pour la prevention du sida : bibliographie selective.
- Epidemiology and prevention of HIV infection among homosexual men /
- Prevention of HIV infection among homosexual men : behavior change and behavioral determinants /
- AIDS