@book{523073,
	author = {Merler, S.},
	title = {The American opioid epidemics},
	publisher = {Bruegel},
	year = {2017},
	address = {Bruselas},
	url = {http://bruegel.org/2017/03/the-american-opioid-epidemics/?utm_content=buffer2caf0&utm_medium=social&utm_source=twitter.com&utm_campaign=buffer+(bruegel)}
}