@book{166703,
	author = {Callahan, Tamara L. and Caughey, Aaron B.},
	title = {Blueprints obstetrics & gynecology /},
	publisher = {Blackwell Pub,},
	year = {2004},
	series = {Blueprints.},
	address = {Malden, Mass. :},
	edition = {Third edition.}
}