Nutrition intervention: scope and limits.
D000383:Agriculture; D003677:Deficiency Diseases / Q000517:prevention & control*; D005247:Feeding Behavior; D005502:Food / Q000191:economics; D005526:Food, Formulated; D005527:Food, Fortified; D006291:Health Policy; D006801:Humans; D052756:Nutritional Sciences / Q000193:education; D011203:Poverty; D011314:Preventive Health Services