background and objectives: a sudden jump in blood demand during natural disasters may have strong negative impact on the performance of blood supply chain. appropriate response to the emergency situations, requires predictive approach to determining the optimal allocation of blood supply chain resources for various disaster scenarios. the present study, thus, presents an optimization model aime...

background a number of developing countries have contracted out public health facilities to the non-government organizations (ngos) in order to improve service utilization. however, there is a paucity of in-depth qualitative information on barriers to access services as a result of contracting from service users’ perspective. the objective of this study was to explore perceived barriers to util...

The excellent initiative of the Community Practitioners' and Health Visitors' Association - that school nurses investigate poor toilet facilities - is to be applauded (news November 27).

When a new facility like a grocery store, a school, or a fire station is planned, its location should ideally be determined by the necessities of people who live nearby. Empirically, it has been found that there exists a positive correlation between facility and population densities. In the present work, we investigate the ideal relation between the population and the facility densities within ...