@article {Creinin:June 1996:0010-7824:321,
	author = "Creinin M.D.",
	author = "Vittinghoff E.",
	author = "Keder L.",
	author = "Darney P.D.",
	author = "Tiller G.",
	title = "Methotrexate and Misoprostol for Early Abortion: A Multicenter Trial. I. Safety and Efficacy",
	journal = "Contraception",
	volume = "53",
	year = "June 1996",
	abstract = "",
	pages = "321-327(7)",
	url = "http://www.ingentaconnect.com/content/els/00107824/1996/00000053/00000006/art00080"
	doi = "doi:10.1016/0010-7824(96)00080-7"
}