@book{296920,
	author = {Stein, Harold A. and Stein, Raymond M.},
	title = {The Ophthalmic Assistant E-Book :},
	publisher = {Elsevier,},
	year = {2014.},
	address = {Philadelphia :},
	edition = {Ninth edition},
	note = {Includes index.},
	url = {https://login.ezproxy.pucpr.edu/login?url=https://ebookcentral.proquest.com/lib/pucpr-ebooks/detail.action?docID=1430661}
}