États-Unis (1) France (1) Instruction and study (1) Doors (1) Epidemiology (1) Surgery (1) Prevention (1) Diseases (1) Statistics (1) Price-earnings ratio (1) Spleen (1) Pension trusts (1) Obstetrics (1) Medical economics (1) Hospitalers (1) Hospital patients (1) Health facilities (1) Gender (Musical instrument) (1) French (1) Computer integrated manufacturing systems (1) Americans (1) Statistics (1) Classification (1) Classification (1) Age (1) Sexual behavior (1) Rates (1) Population (1) Practice (1) Patients (1)