الفهرس | Only 14 pages are availabe for public view |
Abstract The Present Study was don on 1050 Persons of Assuit inhabitant of both sex .The age of the selected persons rnger from 13 year to 60 years The individuals were divided into 21 groups .According to their ages .Each group contained 50 Persons , 25 males &25 Females .The Presons were vSelected from Different Sections f Population. |