Brand, R., Heck, P., & Ziegler, M. (2014). Illegal performance enhancing drugs and doping in sport: A picture-based brief implicit association test for measuring athletes’ attitudes. Substance abuse treatment, prevention, and policy, 9(1), Art.-ID 7; [11 S.]. doi:10.1186/1747-597X-9-7

Brand, Ralf, Philipp Heck, and Matthias Ziegler. "Illegal Performance Enhancing Drugs and Doping in Sport: A Picture-based Brief Implicit Association Test for Measuring Athletes’ Attitudes." Substance Abuse Treatment, Prevention, and Policy 9, no. 1 (2014): Art.-ID 7; [11 S.].

Brand, Ralf, Philipp Heck, and Matthias Ziegler. "Illegal Performance Enhancing Drugs and Doping in Sport: A Picture-based Brief Implicit Association Test for Measuring Athletes’ Attitudes." Substance Abuse Treatment, Prevention, and Policy 9.1 (2014): Art.-ID 7; [11 S.].