@book{31719,
	author = {Riordan-Eva, Paul.},
	title = {Vaughan & Asbury's general ophthalmology},
	publisher = {McGraw-Hill Medical,},
	year = {c2011.},
	series = {Lange medical book,},
	address = {New York :},
	edition = {18th ed. /},
	url = {http://www.columbia.edu/cgi-bin/cul/resolve?clio10285430}
}