abstract background: there are a large number of patients with penetrating abdominal trauma who have normal vital signs and negative abdominal examination when referred to trauma centers. agreat deal of controversy exists between authorities about screening these patients for emergency explorative laparotomy. many references have reported more than 90% sensitivity for dpl as a diagnostic method...

Politicians adopt a variety of linguistic strategies in their speeches to connect with their audience. To name one, appraisal, as a system of interpersonal meaning, is concerned with evaluation where resources are used for negotiating social relationships. Despite their significance in shaping texts, there have hardly been any extensive inventories of appraisal tools contrasting electoral speec...