Document Type : Original Article
Authors
1 1) Military Institute of Health and Epidemiology, Military Medical Academy.
2 2) Professor of Preventive, Social and Occupational Medicine, Military Medical Academy.
3 3) Professor of Public Health. Faculty of Medicine – Ain Shams University
4 4) Assistant Professor of Medical-Surgical Nursing, Military Institute of Health and Epidemiology, Military Medical Academy.
Abstract
Keywords