Background: There is not any report on the radiation doses received by patients in diagnostic radiology sections in hospitals under control of Chaharmahal and Bakhtiari Medical Sciences University, in the south west of Iran. Objectives: The aim of this study is measurement of entrance surface doses (ESD) for the most routine types of X-ray procedures in radiology centers as part of ongoing d...

There have been a number of studies on the competition in entrance examinations, but very few empirically examined middle school examination, which is qualitatively different from senior high and university examinations because children must parental support. The scope examination beyond knowledge acquired school, parents be proactive choosing whether their should take examination. In this stud...