@article {Hannaford:1 January 2009:0960-1643:4,
	author = "Hannaford, Philip",
	author = "Belfield, Toni",
	title = "The contraceptive revolution: some excellent progress but work still to be done",
	journal = "British Journal of General Practice",
	volume = "59",
	year = "1 January 2009",
	abstract = "",
	pages = "4-6(3)",
	url = "http://www.ingentaconnect.com/content/rcgp/bjgp/2009/00000059/00000558/art00004"
	doi = "doi:10.3399/bjgp09X394789"
}