Pérou (1) Minors (1) Women (1) Strategy (1) Sampling (1) Reformation (1) Pregnancy (1) Poverty (1) Population (1) Mothers (1) Months (1) Materials (1) Light (1) Health (1) Fever (1) Evaluation (1) Diet (1) Diarrhea (1) Children (1) Breastfeeding (1) Birth control (1) Attention in children (1) Toma de muestras (1) Atención en niños (1) Meses (1) Clave (1) Evaluación (1) Salud (1) Diarrea (1) Alimentación (1)