Bibliografia

1. Geyer H, Parr MK, Mareck U, Reihart U, Schrader Y, Schanzer W. Analysis of non-hormonal nutritional supplements for anabolic-androgenic steroids. Results of an international study. Int J Sports Med 2004; 25: 124-29.

2. Donike M, Geyer H, Gotzmann A, Kraft M, et al. Dope analysis. In: Bellotti P, Benzi G, Ljungqvist A (eds). Official Proceedings. IAAF World Symposium on Doping in Sport. Firenze 1987. Firenze: IAAF, 1988: 53-79.