V. da S. S. Teixeira, B. C. A. Fonseca, D. M. Pereira, B. A. K. da Silva, and F. A. dos Reis, “Evaluation of the effect of childhood and adolescent obesity on the ventilometric properties and muscle strength of the respiratory system”, Cons. Saúde, vol. 8, no. 1, pp. 35–40, May 2009.