introduction radioactive materials naturally exist in the world. indeed, approximately 82% of human-absorbed radiation doses, which are out of human control, arise from natural sources of radiation including cosmic, terrestrial, and exposure through inhalation or ingestion. thus, the aim of the present study was to estimate health risk, as well as the effective and organ doses from naturally oc...

introduction: one of the most common syndromes in parkinson's disease (pd) is rigidity. currently, an index is used to evaluate the level of pd by the clinical measurement of rigidity in the upper extremity. the index uses a subjective method called unified parkinson's disease rating system (updrs). the subjective nature of this method makes the influence of physician in the measureme...

the pain is the most common complaint in various diseases. postoperative pain is common complication and spatially in elderly patient because of exacerbation of heard and vessel was impotents. the aim of this study was evaluation of the effect of low-dose iv dexamethasone on postoperative pain in patients with lumbar discectomy.   in a clinical trial that studied in neurosurgery wards of shohad...

background: job satisfaction among nurses has consequences on the quality of nursing care and accompanying organizational commitments. nursing procedure measurement (npm) is one of the essential parts of the performance‑oriented system. this research was performed in order to determining the job satisfaction rate in selected wards of baqiyatallah (a. s.) hospital prior and following the npm. ma...

Introdouction: Canal length measurement is essential for proper endodontic treatment. Any error or miscalculation in working length determination, particularly in curved canals, can result in complications during or after root canal therapy. Digital radiography has enabled accurate measurement of curved canal length. In this study, we evaluated the accuracy of calibration of a complementary m...

Background Although the depth of the counting chamber is an important factor influencing sperm counting, no research has yet been reported on the measurement and comparison of the depth of the chamber. We measured the exact depths of six kinds of sperm counting chambers and evaluated their accuracy. MaterialsAndMethods In this prospective study, the depths of six kinds of sperm counting chamber...

Introduction: Assessment of student clinical performance is one of the most difficult tasks of faculty members. Logbook is one of the most effective methods for educational assessment. The aim of the present study was to assess the efficacy of logbook from the viewpoints of Ahvaz dental students and faculty members of Department of Oral and Maxillofacial medicine. <strong...