RT Journal Article SR Electronic T1 Corneal and conjunctival calcification in chronic renal failure. JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 339 OP 343 DO 10.1136/bjo.57.5.339 VO 57 IS 5 A1 R Porter A1 A L Crombie YR 1973 UL http://bjo.bmj.com/content/57/5/339.abstract AB