@book{205308,
	author = {Speroff, Leon, and Darney, Philip D.},
	title = {A clinical guide for contraception /},
	publisher = {Wolters Kluwer Health/Lippincott Williams & Wilkins,},
	year = {[2011]},
	address = {Philadelphia :},
	edition = {5th ed., Special ed.},
	url = {http://onlinelibrary.wiley.com/book/10.1002/9781444342642}
}