Some obstacles to eliminating famine.
D000383:Agriculture / Q000592:standards; D000822:Animal Husbandry; D004190:Disasters; D004467:Economics; D002523:Edible Grain; D005523:Food Supply / Q000592:standards; D007390:International Agencies; D009747:Nutritional Physiological Phenomena; D011057:Politics; D011891:Rain; D012106:Research; D012959:Socioeconomic Factors; D013217:Starvation / Q000517:prevention & control*