Study of skin disorders among elderly attended to dermatologic clinic of health insurance in Zagazig city Socio-demographic, Familial features and Physical abilities of mentally retarded children in Qalyobia Governorate Identification of socio-demographic, dietary, physical and mental aspects among females with varied body mass index Socio-demographic and immuno-toxic study of chronic lead exposed workers Study of pulmonary ventilator and audio-metric changes among workers in wood processing industry Long term impact of circumcision on health of newly married females in Benha city. Study of violent behavior among secondary school boys in Qaluobia Governorate Study of Juvenile rheumatoid arthritis and its impact on some growth parameters Assessment of the quality of storage of vaccines in the child health centers in Sharkia Governorate Study of the effect of diabetes mellitus on physical growth of preschool children Study of Anxiety disorders among students of secondary nursing school in Benha University Hospital A study intestinal parasitic infections in children with bronchial asthma Comparative study of general conception of physicians and nurses towards the EPI activities in both Kalyobia Governorate and Qatar Study of smoking habit and drug abuse among a sample Benha University Students Socio-medical pattern among attendants of family planning centers in Dakahlia Governorate. Study of pulmonary, ventilator and audiometric changes among workers in wood processing industry.