temps (durée) (1) échantillonnage (1) association (1) hôpital (1) analyse (1) éducation (1) âge (1) index (1) profession (1) Education (1) Degrees (1) Workload (1) Census (1) Methods (1) Census (1) Time (1) Symptoms (1) Social groups (1) Sex (1) Sampling (1) Phobias (1) Patients (1) Pain (1) Osteoarthritis (1) Months (1) Migration, Internal (1) Materials (1) Leg (1) Knee (1) Education (1)