stress (2) effet (2) Russie (2) Symptoms (2) Mental health (2) Mental health (2) puits (1) modèle (1) santé (1) âge (1) comparaison (1) méthode (1) Comparison (1) Article (1) Self-efficacy (1) States (1) Weights and measures (1) Self (1) Russians (1) Population (1) Persons (1) Men (1) Mediation (1) Manufacturers' agents (1) Human beings (1) Holy Cross (1) Health (1) Grammar, Comparative and general--Article (1) Germans (1) Example (1)