several observations have addressed high rates of occupational burnout among personnel of emergency medical services (emss) centers.  occupational burnout influences ems personnel's well-being and quality of life. the main objective of this study was to assess burnout and its determinants among iranian ems personnel. this study was carried out at all ems centers in two provinces of kermanshah a...

This paper reports the design and comparison of three visualizations to represent structure content within arguments. Arguments are artifacts reasoning widely used across domains such as education, policy making, science. An argument is made up sequences statements (premises) which can support or contradict each other, individually in groups through Boolean operators. Understanding resulting hi...

background: patients with trichotillomania (tc) have an irreversible urge to pull their hair.  this self-mutilation behavior is associated with high level of tension before and a sense of gratification and relief after tc.   objective: to investigate the personality characteristics of patients suffering from tc.   method: the study was performed on 43 tc patients and 43 gender and age-matched n...

In the secondary lymphoid organs, intimate contact with follicular dendritic cells (FDCs) is required for B cell retention and Ag-driven selection during the germinal center response. However, selection of self-reactive B cells by Ag on FDCs has not been addressed. To this end, we generated a mouse model to conditionally express a membrane-bound self-antigen on FDCs and to monitor the fate of d...

Background: Patients with Trichotillomania (TC) have an irreversible urge to pull their hair.  This self-mutilation behavior is associated with high level of tension before and a sense of gratification and relief after TC. Objective: To investigate the personality characteristics of patients suffering from TC. Method: The study was performed on 43 TC patients and 43 gender and age-matched non-p...