Serum IGF-I and IGFBP-3 concentrations are sensitive markers of training status and predictors of strength and speed performance in young soccer players during a championship - Kohama, Eike B.; Martinelli Júnior, Carlos Eduardo; Fornel, Rafael; Puggina, Enrico Fuini; Machado, Dalmo Roberto Lopes; Pires, Marcela; Tourinho Filho, Hugo (International Meeting of Pediatric Endocrinology, 2017)