RT Journal Article SR Electronic T1 The future of keratoprostheses (artificial corneae) JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 304 OP 305 DO 10.1136/bjo.2010.188359 VO 95 IS 3 A1 Fook Chang Lam A1 Christopher Liu YR 2011 UL http://bjo.bmj.com/content/95/3/304.abstract AB