Reliability and validity of tethered swimming lactate minimum test and their relationship with performance in young swimmers - Kalva-Filho, Carlos Augusto; Toubekis, Argyris; Zagatto, Alessandro Moura; Silva, Adelino Sanchez Ramos da; Loures, João Paulo; Campos, Eduardo Zapaterra; Papoti, Marcelo (Pediatric Exercise Science, 2018)