Age Groups Aide sociale Analyse par cohorte Analytical, Diagnostic and Therapeutic Techniques and Equipment Anthropology, Education, Sociology and Social Phenomena Behavior and Behavior Mechanisms Bibliography Child Child Development Child Welfare Child development Children Cohort Studies Cohort analysis Data Collection Delivery of Health Care Développement Enfants Enquêtes sociales Environment and Public Health Epidemiologic Methods Epidemiologic Studies Epidemiologic Study Characteristics as Topic Études longitudinales Growth and Development Health Care Evaluation Mechanisms Health Care Quality, Access, and Evaluation Human Development Information Science Investigative Techniques