This paper addresses the design of a test collection for CBMR, by applying a task-oriented approach. After having created a test document set, it is proposed to provide assessors with a number of topics and to build musical queries starting from music documents, or documents excerpts, being particularly relevant to the topic. Relevance judgments are then built based on the similarity between th...

aortoenteric fistula is a rare but significant clinical entity associated with high morbidity and mortality if remain untreated. clinical presentation and imaging findings may be subtle and prompt diagnosis can be difficult. herein, we present a patient who initially presented with abdominal pain and computed tomography showed an aortic aneurysm compressing duodenum without any air bubbles. one...

nowadays, due to recent developments and researches in dental science, it is possible to preserve and restore previously extracted cases such as teeth with extensive caries, fractured or less appropriate cases for crown coverage as well as teeth with external perforation caused by restorative pins. in order to restore the teeth with preservation of periodontium, we should know thoroughly physio...

Background: Plasmapheresis is a well-recognised method for harvestingplasma.  It was introduced in the 1950s and is currently employed worldwide.  This method has been in use in Iran since 1979. Objective: To evaluate the efficacy of donor safety program used at the Iranian Blood Transfusion Organization. Methods: A comparison is made of the protein concentrations between the first-time and lon...

background: health records serve several purposes and must be retained to meet those purposes. these varied purposes influence how long health records must be kept, or their retention period. the present study aimed to recognize laws and procedures related to retention of health records in selected countries and provide a proposed guideline for iran. methods: this was an applied, descriptive-co...