@book{2944,
	author = {Albert, Daniel M. and Albert, Daniel M.},
	title = {Principles and practice of ophthalmology;V.2},
	publisher = {W.B. Saunders Co.},
	year = {2000},
	address = {Philadelphia },
	edition = {2nd ed.},
	note = {Section VIII:Conjunctiva,Cornea and Sclera}
}