TOXIC EFFECT OF SOME METALS ON LANGUAGE DEVELOPMENT IN A SAMPLE OF CHILDREN IN SOHAG GOVERNORATE
Chronic exposure to metals has subtle toxic effect on the nervous system in early childhood. It may cause impairment of language and learning development. The aim of the present study is to estimate the level of some metals (copper, lead, cadmium, manganese, and zinc) in blood samples of children having delayed language development without any obvious causes and to assess ... إقراء المزيد