Author = Helal F.
| Number of Articles: 3 | ||
| 1 | SOME BIOLOGICAL HEALTH HAZARDS AMONG SEWAGE WORKERS | |
| Volume 33, Issue 2, July 2009, Page 119-130 | ||
| Helal F.; Rashed A. | ||
| 2 | EFFECT OF CYTOCHROME P450 1A1 (CYP1A1)POLYMORPHISM ON ASPHALT EXPOSURE - RELATED BIO-MARKERS | |
| Volume 31, Issue 1, January 2007, Page 29-49 | ||
| Farahat A; Helal F.; Abdel N.; Rashed A. | ||
| 3 | ASSESSMENT OF RESPIRATORY AND RENAL FUNCTIONS AMONG GAS METAL ARC WELDERS AND THEIR RELATIONS WITH CHROMIUM EXPOSURE | |
| Volume 31, Issue 1, January 2007, Page 107-121 | ||
| Helal F.; Arafaa M.; Afify M. | ||
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