RT Journal Article SR Electronic T1 A 4.5 mm. penetrating keratoplasty for leucoma adherens of 4.5 mm. or less. JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 635 OP 637 DO 10.1136/bjo.57.9.635 VO 57 IS 9 A1 A Mortada A1 A M Soliman YR 1973 UL http://bjo.bmj.com/content/57/9/635.abstract AB