“Epidemiology is the study of the distribution and determinants of health-related states or events in specified populations, and the application of this study to the control of health problems.”
“Epidemiology is the study of the distribution and determinants of health-related states or events in specified populations, and the application of this study to the control of health problems.”
جميع البيانات و المستندات الموجوده لكل موقع من مواقع الاعضاء تقع صحتها قانونيا و أدبيا على العضو نفسه
