@book{2443,
	author = {Beaglehole, Robert},
	title = {Basic epidemiology /},
	publisher = {WHO,},
	year = {1993.},
	address = {Geneva :},
	url = {https://apps.who.int/iris/bitstream/handle/10665/36838/9241544465.pdf?sequence=1&isAllowed=y}
}