enquête (1) échantillonnage (1) gestion (1) éducation (1) analyse des données (1) âge (1) situation de famille (1) Education (1) Nursing (1) Prevention (1) Methods (1) Chronic pain (1) Origin (1) Students (1) Sampling (1) Pain (1) Nursing students (1) Nursing schools (1) Nursing (1) Migraine (1) Medical sciences (1) Marital status (1) Manufacturers' agents (1) Management (1) Head (1) Education (1) Commission merchants (1) Back (1) Age (1) Abdomen (1)