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Speech communication is a complex process based on the function of the central nervous system, and also on the speech mechanisms conditioned and controlled by auditory perception, verbal memory, intellectual activity and peripheral speech apparatus.The aim of this study was to determine the prevalence of the most common phonological articulation disorders in preschool children, from 4-6 years old. A cross-sectional study was conducted during 2018, on a representative sample of 550 preschool children aged 4 - 6 years, who attend preschool
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