@book{2491,
	author = {World Health Organization},
	title = {WHO Expert Committee on Specifications for Pharmaceutical Preparations :},
	publisher = {WHO,},
	year = {2013.},
	series = {WHO technical report series ;},
	address = {Geneva :},
	url = {https://apps.who.int/iris/bitstream/handle/10665/81144/WHO_TRS_981_eng.pdf?sequence=1&isAllowed=y}
}