AP-HP, Greater Paris University Hospitals, is the largest public hospital in France and in Europe. It is made up of 39 all-university hospitals and manages per years, 8 million hospitalisations, 35 000 births and 2 500 transplants. Access to its healthcare is guaranteed to all, 24 hours a day without economic and social distinction . AP-HP trains doctors ,dentists , pharmacists and thousand of healthcare professionals in its own Institutes. It is the first centre in France for clinical research.