background: the last two decades have witnessed a remarkable increase in the number of people suffering a variety of painful syndromes. objective: the goal of this study was to determine the correlation between body mass index and chronic pain in hospital workers during 2006. methods: in this prospective descriptive study 210 cases were enrolled during 2006 at beheshti and ayatollah kashani med...

BACKGROUND Previous cross-temporal meta-analyses have demonstrated that anxiety would get severer over time. The changes of anxiety in Chinese military personnels over time remain unclear. AIM To explore the changes of anxiety in Chinese military personnels over nearly past two decades. METHODS Studies using the Chinese version of Spielberger's State-Trait Anxiety Inventory (STAI) in Chines...

To facilitate users to interact with and share information without difficulty and faultlessly across various networks and databases nationwide, a secure and trusted information-sharing environment has been recognized as an imperative requirement and to advance homeland security effort. The key incentive following this research is to build a secure and trusted information-sharing approach for go...

Recently, tagging systems are widely used on the Internet. On desktops, tags are also supported by some semantic file systems and desktop search tools. In this paper, we focus on personal tag organization to enhance personal file retrieval. Our approach is based on the notion of context. A context is a set of tags assigned to a file by a user. Based on tag popularity and relationships between t...

introduction & objective :without doubt, the largest human society’s misfortune after second world war is aids world conquering . at present , the best way of combat is to prevent the disease . giving knowledge to the health personnels and their understanding about risk factors of the disease can promote health and prevention of disease propagation . therefore this study has been done in order ...