@article {:March 2004:0017-8748:290,
	title = "Simplified Butalbital Withdrawal Protocol",
	journal = "Headache: The Journal of Head and Face Pain",
	volume = "44",
	year = "March 2004",
	abstract = "",
	pages = "290-291(2)",
	url = "http://www.ingentaconnect.com/content/bsc/hed/2004/00000044/00000003/art00018"
	doi = "doi:10.1111/j.1526-4610.2004.t01-1-04063.x"
}