The supply of human organs for transplantation is undergoing a dramatic transformation. Using data from 30 countries for the years 1995-2007, this paper suggests that organ supply today is more dependent on direct donations than on the collective organ pool. This trend is analyzed by studying different modes of altruism: "generalized altruism" relates to the procurement of organs through a one-...

Although the problems of physical security emerged more than 10,000 years before the problems of computer security, no formal methods have been developed for them, and the solutions have been evolving slowly, mostly through social procedures. But as the traffic on physical and social networks is now increasingly expedited by computers, the problems of physical and social security are becoming t...

introduction: medicine is an inseparable link of health chain; a flaw in health process for high expenditures of the medicine or inappropriate access shall certainly bring higher costs in the mentioned procedure. the present study aimed to evaluate the impact of the households’ income, geographical access, patients’ direct payment, physician's visit and insured' inpatient rate on the amount of ...

security as a basic need for the members of society is in mutual relation to economic, social and cultural factors. today, this is of such importance in the progress of every society that it is considered as the prerequisite to any kind of development. social security has been defined as a complex – emotional – concept which is essential for protecting social groups and giving them the opportun...

Abstract:This study aims at measuring the relationship between students‟ attitude toward govern-ment‟s virtual social network policy making with social security feeling, in another word, to which extent social security feeling emphasizing on social networks is determined via users‟ attitude toward government‟s media policy making? Analytical-descriptive method including survey is used in ...