Economics and nutritional change.
D003365:Costs and Cost Analysis; D004032:Diet / Q000592:standards*; D004034:Diet Surveys; D004044:Dietary Proteins; D004467:Economics; D006801:Humans; D007182:Income; D009747:Nutritional Physiological Phenomena; D009751:Nutritional Requirements; D014815:Vitamins
D004044:Dietary Proteins; D014815:Vitamins