title: Some concepts and practical considerations in planning and evaluation.
mesh_terms: D000293:Adolescent; D000328:Adult; D000383:Agriculture; D002675:Child, Preschool; D003906:Developing Countries; D005260:Female; D005523:Food Supply; D006077:Government Agencies; D006801:Humans; D007223:Infant; D017053:Infection Control; D009313:National Health Programs; D009748:Nutrition Disorders / Q000453:epidemiology / Q000209:etiology / Q000517:prevention & control*; D009747:Nutritional Physiological Phenomena; D011247:Pregnancy; D011502:Protein-Energy Malnutrition / Q000517:prevention & control