Factors Influencing on Informal Payments in Healthcare Systems: A Systematic Review

Background and Aim : Nowadays null systems are not only responsible for improving the null of people, but also to protect them against illness and illness costs. Hence, one of the challenges faced by governments is the reduction of out of pocket null to null care. Unofficial or informal null are one kind of out of pocket null that include null to individuals or service providers, in cash or non-cash beyond formal null processes. According to...