Jorge, S. R.; Santos, P. B. dos; Stefanello, J. M. F. <b>Salivary Cortisol As a Physiological Response to Competitive Stress in Male Athletes: a Systematic review</b&gt; - Doi: 10.4025/reveducfis.V21i4.9053. JPhysEduc 2010, 21, 677-686.