@book{8139,
	author = {WHO Expert Committee on Trace Elements in Human Nutrition (1973 : Geneva). and World Health Organziation},
	title = {Trace elements in human nutrition : report of a WHO Expert committee [meeting held in Geneva from 9 to 17 April 1973].},
	publisher = {World Health Organization,},
	year = {1973.},
	series = {(WHO technical report series ; 532)},
	address = {Geneva : }
}