8Wallwork JC , Milne DB , Sims RJ et al. Severe zinc deficiency : effects on the distribution of nine elements ( potassium, iron, phosphor- us, sodium, magnesium, calcium, zinc, copper and manganess) in regions of the rat brain [J]. J Nutr, 1983, 113 : 1985.
9Pfeiffer CC , Braveman ER. Zinc , the brain and behavior [J]. Biol Psychiatry, 1982, 17 (4): 513.