@book{1992,
	author = {Baltussen, Rob M. P. M and World Health Organization},
	title = {Making choices in health : },
	publisher = {WHO,},
	year = {2003.},
	address = {Geneva :},
	url = {https://apps.who.int/iris/bitstream/handle/10665/42699/9241546018.pdf?sequence=1}
}