Comparing the results of Persian staggered spondaic word test in persistent developmental stutterers and normal subjects - Fallahzadeh, Zakieh; Tahaei, Seyyed Ali Akbar; Hajiabolhassan, Fahimeh; Jalaie, Shohreh; Shahbodaghi, Mohammad Rahim; Rouhbakhsh, Nematollah (Auditory and Vestibular Research, 2017)