EMR System, tool for managing clinical information, having a single model of access to information through a web application. Through IANUS, electronic prescriptions and dispensations of all medication throughout all of the Galician Public Health System is guaranteed. All the community pharmacies are connected to IANUS for dispensations. Currently 100% of health centres and hospitals of Galicia and a 100% of pharmacies are connected. The introduction of an electronic prescription service has resulted in 2 500 000 fewer visits each year by patients to their General Practitioner (GP).