@book{8288,
	author = {WHO Expert Committee on Specifications for Pharmaceutical Preparations (1981 : Geneva). and World Health Organization},
	title = {WHO Expert Committee on Specifications for Pharmaceutical Preparations [meeting held in Geneva from 14 to 19 December 1981] : twenty-eighth report.},
	publisher = {World Health Organization,},
	year = {1982.},
	series = {(WHO technical report series ; 681)},
	address = {Geneva : }
}