@book{23518,
	author = {Callahan, Tamara L. and Caughey, Aaron B.},
	title = {Blueprints obstetrics & gynecology.},
	publisher = {Blackwell Pub,},
	year = {c2004.},
	series = {Blueprints},
	address = {Malden, Mass. :},
	edition = {3rd ed.},
	note = {Rev. ed. of: Blueprints in obstetrics and gynecology / Tamara L. Callahan, Aaron B. Caughey. 2nd ed. c2001.},
	url = {http://www.loc.gov/catdir/toc/ecip042/2003006972.html}
}