Département du Nord (1) Paris (1) Economic conditions (1) Feeding and feeds (1) Costs (1) Children (1) Assaying (1) Diseases (1) City dwellers (1) Stature (1) School children (1) Quality of life (1) North (The word) (1) Malnutrition (1) Lifestyles (1) Life (1) Income (1) Girls (1) Cost and standard of living (1) Cities and towns (1) Boys (1) Biography (1) Autobiography (1) Weight (1) Analysis (1) Growth (1) Animales--Crecimiento (1) Niñas (1) Alimentación (1) Morbilidad (1)