@book{2148,
	author = {World Health Organization},
	title = {WHO Expert Committee on biological standardization :},
	publisher = {WHO, },
	year = {2011.},
	series = {WHO technical report series ; },
	address = {Geneva :},
	url = {https://apps.who.int/iris/bitstream/handle/10665/44677/WHO_TRS_963_eng.pdf?sequence=1&isAllowed=y}
}