Effects of high-intensity isokinetic exercise on salivary cortisol in athletes with different training schedules: Relationships to serum cortisol and lactate - Paccotti, P.; Minetto, M.; Terzolo, M.; Ventura, M.; Ganzit, G. P.; Borrione, P.; Termine, A.; Angeli, A. (International Journal of Sports Medicine, 2005)