@book{903,
	author = {Townsend, Courtney M. (Editor)},
	title = {Sabiston textbook of surgery : the biological basis of modern surgical practice/},
	publisher = {Elsevier Saunders,},
	year = {2012.},
	address = {Philadelphia, PA :},
	edition = {19th ed. },
	url = {http://www.matthewsbooks.com/productdetail.aspx?pid=4377TOW1560&print=true}
}