According to the World Bank, it is precisely the poorest segment of society in Bosnia and Herzegovina that pays the highest out-of-pocket costs for medical care.3 The elaborate division of authority between Entities and between the Federation and its 10 cantons plagues health care and protection. ###>Le partage complexe des responsabilités entre les Entités et entre la Fédération et ses 10 cantons mine les systèmes de soins et de protection médicale.