Département du Nord (1) Dynamics (1) Assaying (1) City dwellers (1) Event history analysis (1) Threats (1) Stress (Physiology) (1) People with social disabilities (1) Rural population (1) Running (1) Reason (1) Reality (1) Racing (1) Poor (1) Perspective (1) Example (1) Dropouts (1) Breast (1) Blood--Sedimentation (1) Narrative inquiry (Research method) (1) Mathematical models (1) Research (1) Analysis (1) Rural conditions (1) Infancy (1) Health (1) Students (1) Población rural (1) Abandono de los estudios (1) Condiciones rurales (1)