Metabolic, muscle damage and heart rate responses in Brazilian Jiu-Jitsu matches of varied duration - Andreato, Leonardo Vidal; Esteves, João Victor Del Conti; Julio, Ursula Ferreira; Panissa, Valeria Leme Gonçalves; Hardt, Felipe; Pastório, Eloa Jacques; Moraes, Solange Marta Franzói de; Franchini, Emerson (Kinesiology journal, 2016)