OBJECTIVE: To evaluate the prevalence of mental retardation by gender, age of diagnosis,
and location in Zonguldak, Turkey. METHODS: The data of 1909 mentally retarded children …

OBJECTIVE: To describe the etiological characteristics of intellectual disability in one Iranian
center. METHODS: In a cross-sectional study, 64 cases with mental retardation (MR) were …

Objective: Mental retardation (MR) is a spectrum of disorders characterized by deficits in
intellectual and adaptive functioning which could result from several different etiological …

Objective: To determine the Prevalence of mental retardation in children 3 to 10 years of
age. Materials and Methods: The study was conducted in the framework of a population …

Background: Intellectual disabilities in childhood constitutes a major health problem
throughout the world and a handicapping illness with long term costly treatment and bad …

Introduction: Mental retardation is one of the most important problems of general health. The
purpose of this study was to evaluate inheritance pattern of mentally retarded patients in …

This survey determined the prevalence and regional distribution of mental retardation
among children in Saudi Arabia. Data were analysed from a population-based national …

The purpose of present study was estimation of prevalence of learning disabilities (LD) in
Iranian primary students. There are a few of studies that estimated prevalence of LD in …

In order to determine the prevalence of learning disabilities among primary school students,
in a survey model, 2120 students from second-fifth grades were selected from nine …

Introduction: The goal of this research is the PREVALENCE of LEARNING DISABILITIES in
FAMILY-LIKE CHILDREN are under the care of Tehran WELFARE ORGANIZATION and …