سبب شناسى تأخیر زبان و نارساییهاى گفتار در عقب ماندگیذهنی سندرم داون

Down Syndrome (SD), the most common genetic cause of mental retardation, results in characteristic physical and neuropsychological deficits and abnormalities especially within the scope of cognitive and linguistic abilities.This study has been carried out to introduce and investigate some of the mos... View More