Survival analysis (Biometry) (2) Teenagers (2) Prisons--Law and legislation (2) Parents (2) Life (2) Household employees (2) Crime (2) Chemistry, Analytic--Qualitative (2) Attention (2) Actors (2) Estudios (2) Régimen penitenciario (2) Análisis de la supervivencia (2) Vida (2) Padres (2) Atención (2) Servicio doméstico (2) Análisis químico cualitativo (2) Adolescentes (2) Actores (2) Delincuencia (2) nécessité (2) Weights and measures (1) Violence (1) Telephone systems (1) Students (1) Social service (1) Sex (Biology) (1) Sampling (1) Nuns (1)