کد فایل 1215719
قیمت: 49٬000 تومان
بسم الله الرحمن الرحیم EPIDEMYOLOGY مطالعه مورد – شاهدی Case – Control Study Case – Control Study Retrospective designs (Looking backward) Ex post facto After the fact Case – Control Study Case control studies are which patients who already have XXXX (Case) are compared with people who do not