Salivary cortisol and immunoglobulin A responses to simulated and official Jiu-Jitsu matches - Moreira, Alexandre; Franchini, Emerson; Freitas, Camila Gobo de; Arruda, Ademir F. Schultz de; Moura, Nivaldo Ribeiro de; Costa, Eduardo Caldas; Aoki, Marcelo Saldanha (Journal of Strength and Conditioning Research, 2012)