Browsing by Author Ahmad Fathi Husayn Ahmad Helal

Showing results 1 to 2 of 2
Issue DateTitleAuthor(s)
1982Quantitative chemical analysis of some toxic elements and their effects on human and animal.Ahmad Fathi Husayn Ahmad Helal
1978The relationship between airborne particles Size and Site of deposition in the resoiratory.Ahmad Fathi Husayn Ahmad Helal