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پاورپوینت عفونت های تنفسی تحتانی 130اسلایدهمراه باتصویر به زبان انگلیسی Diseases of Respiratory System : General Objective •By the end of this session each student should understand the common respiratory diseases Specific Objective: •By the end of this session each student will be able to: 1.Recognize factors affecting type of illness. 2.Recognize the etiology & characteristics of acute upper & lower respiratory infec ...