@book{26819,
	author = {Sadler, T. W. and Langman, Jan.},
	title = {Langman's medical embryology.},
	publisher = {Wolters Kluwer Health/Lippincott Williams & Wilkins,},
	year = {c2011.},
	address = {Philadelphia :},
	edition = {12th ed. /},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/enhancements/fy1211/2011025451-d.html}
}