1. Aids prevention – sexual ethics and responsibility;Bayer;The New England J Med,1996
2. Green, LW, Kreuter, MW. Health promotion planning: an educational and environmental approach. San Francisco: Jossey Bass, 1991.
3. Intervention mapping: a process for designing theory- and evidence-based health education programs;Bartholomew;Hlth Educ Behav,1998
4. Carsauw, HHC, van Rozendaal, CM, Scheepens, JMFA, Hoebe, CJPA, Meulders, WAJ, Jansen, M, Dorigo–Zetsma, JW, Houweling, H. Infecties met HIV, HBV en HCV onder injecterende druggebruikers in Heerlen/Maastricht (HIV, HBV and HCV infections in IDUs in Heerlen/Maastricht). Rapport nr. 441100006. Bilthoven: RIVM, 1997.
5. Do homosexual and bisexual men who place others at potential risk for HIV have unique psychosocial profiles?;Robins;Aids Educ Prevent,1997