Andrade, C. R. F. de, Cervone, L. M. and Sassi, F. C. (2003) “Relationship between the stuttering severity index and speech rate”, São Paulo Medical Journal, 121(2), pp. 81–84. Available at: https://periodicosapm.emnuvens.com.br/spmj/article/view/2577 (Accessed: 10 March 2025).