1. Self-reported attitudes of elite athletes towards doping;Alaranta;differences between type of sport,2006
2. Football and doping;Ama;study of African amateur footballers,2003
3. Attitudes, behaviours, knowledge and education - drugs in sport;Backhouse;past, present and future,2007
4. Steroid and prescription medicine abuse in the health and fitness community;Baker;a regional study,2006
5. Doping in athletes - an update;De Rose;Clin Sport Med,2008