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 Background and Aim: Since employees satisfaction have important effects on achieving the goals of organizations and also organizational justice is a key factor in employees satisfaction, The aim of this study was to determine the relationship between organizational justice and organizational citizenship behavior in selected hospitals of Tehran University of Medical Sciences.

 Materials and Methods: This study was a descriptive and cross-sectional analysis. The study sample was composed of 312 employees from selected hospitals of Tehran University of Medical Sciences by cluster Stratified Random sampling. Data collected by using two questionnaires: Moorman& Niehoff Organizational Justice and Yaghoobi Organizational Citizenship Bahavior. The questionnaires reliability was supported and based on Cronbach s Alfa (OJ=94%, OCB=93%) and questionnaire validity was confirmed by specialist point of view. Data was analyzed by SPSS 18 software.

 Results: The result of analysis revealed that Hasheminejad hospital had the highest score of organizational citizenship behavior in all dimensions except for altruismin dimension. The score in each of the dimensions for organizational justice except for interactional justice in Hasheminejad hospital were the highest There was significant relationship between organizational justice and organizational citizenship behavior in the following dimensions: Altruism, Conscientiousness, Courtesy, Sportsmanship (p=0/0001). 

 Conclusion: As shown, there was a relationship between organizational justice and all aspect of organizational citizenship behavior in selected hospitals and also there was a positive relationship between involving staffs in organizationl activities with facilitating achievement of organizational goals and improvement of hospital performance, Therefore, strategies should be adopted in line with organizational justice to increase citizenship behavior.

Background and Aim: Almost one out of 10 patients who are admitted in hospitals experience “never events” while researches show that about half of these harms are preventable through the utilization of Failure Modes and Effects Analysis (FMEA). This study aims to identify and evaluate the risks of care processes in three wards of Alzahra University Hospital of Isfahan and suggest some interventions for reducing these risks.
Materials and Methods: This was a cross-sectional study, which identified high-risk processes using FMEA in respiratory, gastroenterology and rheumatologic wards of Alzahra Hospital during the years 2014-2015. The study population comprised clinical staff members who worked in these three wards and were familiar with clinical care processes. The focus group team was selected through purposive sampling method. Finally, the information was gathered in standard FMEA work sheets and analyzed with SPSS software.
Results: A total of 72 clinical care processes were identified, and the 73.5%  of the focus group members rated "blood and its products transfusion process" as the most risky care process. The step "checking the incompatible of patient's information and blood lable and its products" was the most dangerous step (with PRN = 300). The findings showed that human and equipment failures were the main reasons of facing the “never events” in these wards. 
Conclusion: Risk management tells us that the efficiency and quality of care can be promoted by preventing errors through human resource training and proper maintenance of medical equipment.