in the area of vocabulary teaching and learning although much research has been done, only some of it has led to effective techniques of vocabulary teaching and many language learners still have problem learning vocabulary. the urge behind this study was to investigate three methods of teaching words. the first one was teaching words in context based on a traditional method of teaching that is,...

Background: Post-traumatic stress disorder (PTSD) is one the stress-related  anxiety disorder that can occur after one or more specific traumatic experiences. Traumatic events are served as a treat to health and safety. These events may affect the course of the natural growth, academic performance, and other functional abilities of each students which cause post-traumatic stress disorder. Today...

چکیده ندارد.

background: organic nitrates relax all kinds of smooth muscle , not only vascular smooth muscle , a fact that has allowed the use of these drugs to treat many different aliments. objective.-the purpuse of this study was to examine prosepectively benefical effects , if any, of sublingual nitroglycerin on the pain of renal colic. design.- prospective , randomised , double blind, placebo- contoled...