Effect of Physical Fitness and Endurance Exercise on Indirect Biomarkers of Recombinant Growth Hormone Misuse: Insulin-Like Growth Factor I and Procollagen Type III Peptide - Abellan, R; Ventura, R; Pichini, S; Di Giovannandrea, R; Bellver, M; Olive, R; Pacifici, R; Pascual, J A; Zuccaro, P; Segura, J (International Journal of Sports Medicine, 2006)